56 Subpart F—Flavoring Agents and Related Substances

§ 172.510 21 CFR Ch. I (4–1–11 Edition)

needed to produce its intended effect (a) They are used in the minimum but not in excess of 13 parts per million quantity required to produce their in- calculated as anhydrous sodium ferro- tended physical or technical effect and cyanide. in accordance with all the principles of [42 FR 14491, Mar. 15, 1977, as amended at 58 good manufacturing practice. FR 17098, Apr. 1, 1993] (b) In the appropriate forms (plant parts, fluid and solid extracts, con- Subpart F—Flavoring Agents and centrates, absolutes, oils, gums, bal- Related Substances sams, resins, oleoresins, waxes, and dis- tillates) they consist of one or more of § 172.510 Natural flavoring substances the following, used alone or in com- and natural substances used in con- bination with flavoring substances and junction with flavors. adjuvants generally recognized as safe Natural flavoring substances and in food, previously sanctioned for such natural adjuvants may be safely used use, or regulated in any section of this in food in accordance with the fol- part. lowing conditions.

Common name Scientific name Limitations

Aloe ...... Aloe perryi Baker, A. barbadensis Mill., A. ferox Mill., and hybrids of this sp. with A. africana Mill. and A. spicata Baker. Althea root and flowers ...... Althea officinalis L. Amyris (West Indian sandalwood) ...... Amyris balsamifera L. Angola weed ...... Roccella fuciformis Ach ...... In alcoholic beverages only Arnica flowers ...... Arnica montana L., A. fulgens Pursh, A. sororia Do. Greene, or A. cordifolia Hooker. Artemisia (wormwood) ...... Artemisia spp ...... Finished food thujone free 1 Artichoke leaves ...... Cynara scolymus L ...... In alcoholic beverages only Benzoin resin ...... Styrax benzoin Dryander, S. paralleloneurus Per- kins, S. tonkinensis (Pierre) Craib ex Hartwich, or other spp. of the Section Anthostyrax of the genus Styrax. Blackberry bark ...... Rubus, Section Eubatus. Boldus (boldo) leaves ...... Peumus boldus Mol ...... Do. Boronia flowers ...... Boronia megastigma Nees. Bryonia root ...... Bryonia alba L., or B. diocia Jacq ...... Do. Buchu leaves ...... Barosma betulina Bartl. et Wendl., B. crenulata (L.) Hook. or B. serratifolia Willd. Buckbean leaves ...... Menyanthes trifoliata L ...... Do. Cajeput ...... Melaleuca leucadendron L. and other Melaleuca spp. Calumba root ...... Jateorhiza palmata (Lam.) Miers ...... Do. Camphor tree ...... Cinnamomum camphora (L.) Nees et Eberm ...... Safrole free Cascara sagrada ...... Rhamnus purshiana DC. Cassie flowers ...... Acacia farnesiana (L.) Willd. Castor oil ...... Ricinus communis L. Catechu, black ...... Acacia catechu Willd. Cedar, white (aborvitae), leaves and twigs ... Thuja occidentalis L ...... Finished food thujone free 1 Centuary ...... Centaurium umbellatum Gilib ...... In alcoholic beverages only Cherry pits ...... Prunus avium L. or P. cerasus L ...... Not to exceed 25 p.p.m. prussic acid Cherry-laurel leaves ...... Prunus laurocerasus L ...... Do. Chestnut leaves ...... Castanea dentata (Marsh.) Borkh. Chirata ...... Swertia chirata Buch.-Ham ...... In alcoholic beverages only Cinchona, red, bark ...... Cinchona succirubra Pav. or its hybrids ...... In beverages only; not more than 83 p.p.m. total cinchona alkaloids in finished beverage Cinchona, yellow, bark ...... Cinchona ledgeriana Moens, C. calisaya Wedd., or Do. hybrids of these with other spp. of Cinchona.. Copaiba ...... South American spp. of Copaifera L. Cork, oak ...... Quercus suber L., or Q. occidentalis F. Gay ...... In alcoholic beverages only Costmary ...... Chrysanthemum balsamita L ...... Do.

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Common name Scientific name Limitations

Costus root ...... Saussurea lappa Clarke. Cubeb ...... Piper cubeba L. f. Currant, black, buds and leaves ...... Ribes nigrum L. Damiana leaves ...... Turnera diffusa Willd. Davana ...... Artemisia pallens Wall. Dill, Indian ...... Anethum sowa Roxb. (Peucedanum graveolens Benth et Hook., Anethum graveolens L.). Dittany (fraxinella) roots ...... Dictamnus albus L ...... Do. Dittany of Crete ...... Origanum dictamnus L. Dragon’s blood (dracorubin) ...... Daemonorops spp. Elder tree leaves ...... Sambucus nigra L ...... In alcoholic beverages only; not to exceed 25 p.p.m. prussic acid in the flavor Elecampane rhizome and roots ...... Inula helenium L ...... In alcoholic beverages only Elemi ...... Canarium commune L. or C. luzonicum Miq. Erigeron ...... Erigeron canadensis L. Eucalyptus globulus leaves ...... Eucalyptus globulus Labill. Fir (‘‘pine’’) needles and twigs ...... Abies sibirica Ledeb., A. alba Mill., A. sachalinesis Masters or A. mayriana Miyabe et Kudo. Fir, balsam, needles and twigs ...... Abies balsamea (L.) Mill. Galanga, greater ...... Alpinia galanga Willd ...... Do. Galbanum ...... Ferula galbaniflua Boiss. et Buhse and other Ferula spp. Gambir (catechu, pale) ...... Uncaria gambir Roxb. Genet flowers ...... Spartium junceum L. Gentian rhizome and roots ...... Gentiana lutea L. Gentian, stemless ...... Gentiana acaulis L ...... Do. Germander, chamaedrys ...... Teucrium chamaedrys L ...... Do. Germander, golden ...... Teucrium polium L ...... Do. Guaiac ...... Guaiacum officinale L., G. santum L., Bulnesia sarmienti Lor. Guarana ...... Paullinia cupana HBK. Haw, black, bark ...... Viburnum prunifolium L. Hemlock needles and twigs ...... Tsuga canadensis (L.) Carr. or T. heterophylla (Raf.) Sarg. Hyacinth flowers ...... Hyacinthus orientalis L. Iceland moss ...... Cetraria islandica Ach ...... Do. Imperatoria ...... Peucedanum ostruthium (L.). Koch (Imperatoria ostruthium L.). Iva ...... Achillea moschata Jacq ...... Do. Labdanum ...... Cistus spp. Lemon-verbena ...... Lippia citriodora HBK ...... Do. Linaloe wood ...... Bursera delpechiana Poiss. and other Bursera spp. Linden leaves ...... Tillia spp ...... Do. Lovage ...... Levisticum officinale Koch. Lungmoss (lungwort) ...... Sticta pulmonacea Ach. Maidenhair fern ...... Adiantum capillus-veneris L ...... Do. Maple, mountain ...... Acer spicatum Lam. Mimosa (black wattle) flowers ...... Acacia decurrens Willd. var. dealbata. Mullein flowers ...... Verbascum phlomoides L. or V. thapsiforme Schrad Do. Myrrh ...... Commiphora molmol Engl., C. abyssinica (Berg) Engl., or other Commiphora spp. Myrtle leaves ...... Myrtus communis L ...... Do. Oak, English, wood ...... Quercus robur L ...... Do. Oak, white, chips ...... Quercus alba L. Oak moss ...... Evernia prunastri (L.) Ach., E. furfuracea (L.) Mann, Finished food thujone and other lichens. free 1 Olibanum ...... Boswellia carteri Birdw. and other Boswellia spp. Opopanax (bisabolmyrrh) ...... Opopanax chironium Koch (true opopanax) of Commiphora erythraea Engl. var. Llabrescens. Orris root ...... Iris germanica L. (including its variety florentina Dykes) and I. pallida Lam. Pansy ...... Viola tricolor L ...... In alcoholic beverages only Passion flower ...... Passiflora incarnata L. Patchouly ...... Pogostemon cablin Benth. and P. heyneanus Benth. Peach leaves ...... Prunus persica (L.) Batsch ...... In alcoholic beverages only; not to exceed 25 p.p.m. prussic acid in the flavor Pennyroyal, American ...... Hedeoma pulegioides (L.) Pers. Pennyroyal, European ...... Mentha pulegium L.

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Common name Scientific name Limitations

Pine, dwarf, needles and twigs ...... Pinus mugo Turra var. pumilio (Haenke) Zenari. Pine, Scotch, needles and twigs ...... Pinus sylvestris L. Pine, white, bark ...... Pinus strobus L ...... In alcoholic beverages only Pine, white oil ...... Pinus palustris Mill., and other Pinus spp. Poplar buds ...... Populus balsamifera L. (P. tacamahacca Mill.), P. Do. candicans Ait., or P. nigra L. Quassia ...... Picrasma excelsa (Sw.) Planch, or Quassia amara L. Quebracho bark ...... Aspidosperma quebracho-blanco Schlecht, or Schinopsis lorentzii (Quebrachia lorentzii (Griseb)). (Griseb.) Engl. Quillaia (soapbark) ...... Quillaja saponaria Mol. Red saunders (red sandalwood) ...... Pterocarpus san alinus L ...... In alcoholic beverages only Rhatany root ...... Krameria triandra Ruiz et Pav. or K. argentea Mart. Rhubarb, garden root ...... Rheum rhaponticum L ...... Do. Rhubarb root ...... Rheum officinale Baill., R. palmatum L., or other spp. (excepting R. rhaponticum L.) or hybrids of Rheum grown in China. Roselle ...... Hibiscus sabdariffa L ...... Do. Rosin (colophony) ...... Pinus palustris Mill., and other Pinus spp ...... Do. St. Johnswort leaves, flowers, and caulis ...... Hypericum perforatum L ...... Hypericin-free alcohol dis- tillate form only; in alcoholic beverages only Sandalwood, white (yellow, or East Indian) ... Santalum album L. Sandarac ...... Tetraclinis articulata (Vahl.), Mast ...... In alcoholic beverages only Sarsaparilla ...... Smilax aristolochiaefolia Mill., (Mexican sarsaparilla), S. regelii Killip et Morton (Honduras sarsaparilla), S. febrifuga Kunth (Ecuadorean sarsaparilla), or undetermined Smilax spp. (Ecuadorean or Central American sarsaparilla). Sassafras leaves ...... Sassafras albidum (Nutt.) Nees ...... Safrole free Senna, Alexandria ...... Cassia acutifolia Delile. Serpentaria (Virginia snakeroot) ...... Aristolochia serpentaria L ...... In alcoholic beverages only Simaruba bark ...... Simaruba amara Aubl ...... Do. Snakeroot, Canadian (wild ginger) ...... Asarum canadense L. Spruce needles and twigs ...... Picea glauca (Moench) Voss or P. mariana (Mill.) BSP. Storax (styrax) ...... Liquidambar orientalis Mill. or L. styraciflua L. Tagetes (marigold) ...... Tagetes patula L., T. erecta L., or T. minuta L. (T. As oil only glandulifera Schrank). Tansy ...... Tanacetum vulgare L ...... In alcoholic beverages only; finished alcoholic beverage thujone free 1 Thistle, blessed (holy thistle) ...... Onicus benedictus L ...... In alcoholic beverages only Thymus capitatus (Spanish ‘‘origanum’’) ...... Thymus capitatus Hoffmg. et Link. Tolu ...... Myroxylon balsamum (L.) Harms. Turpentine ...... Pinus palustris Mill. and other Pinus spp. which yield terpene oils exclusively. Valerian rhizome and roots ...... Valeriana officinalis L. Veronica ...... Veronica officinalis L ...... Do. Vervain, European ...... Verbena officinalis L ...... Do. Vetiver ...... Vetiveria zizanioides Stapf ...... Do. Violet, Swiss ...... Viola calcarata L. Walnut husks (hulls), leaves, and green nuts Juglans nigra L. or J. regia L. Woodruff, sweet ...... Asperula odorata L ...... In alcoholic beverages only Yarrow ...... Achillea millefolium L ...... In beverages only; finished beverage thujone free 1 Yerba santa ...... Eriodictyon californicum (Hook, et Arn.) Torr. Yucca, Joshua-tree ...... Yucca brevifolia Engelm. Yucca, Mohave ...... Yucca schidigera Roezl ex Ortgies (Y. mohavensis Sarg.). 1 As determined by using the method (or, in other than alcoholic beverages, a suitable adaptation thereof) in section 9.129 of the ‘‘Official Methods of Analysis of the Association of Official Analytical Chemists,’’ 13th Ed. (1980), which is incorporated by ref- erence. Copies may be obtained from the AOAC INTERNATIONAL, 481 North Frederick Ave., suite 500, Gaithersburg, MD 20877, or may be examined at the National Archives and Records Administration (NARA). For information on the availability of this material at NARA, call 202–741–6030, or go to: http://www.archives.gov/federallregister/codeloflfederallregulations/ ibrllocations.html.

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[42 FR 14491, Mar. 15, 1977, as amended at 43 FR 14644, Apr. 7, 1978; 49 FR 10104, Mar. 19, 1984; 54 FR 24897, June 12, 1989; 69 FR 24511, May 4, 2004; 72 FR 10357, Mar. 8, 2007]

§ 172.515 Synthetic flavoring sub- Amyl heptanoate. stances and adjuvants. Amyl hexanoate. Amyl octanoate. Synthetic flavoring substances and Anisole; methoxybenzene. adjuvants may be safely used in food in Anisyl acetate. accordance with the following condi- Anisyl alcohol; p-methoxybenzyl alcohol. tions. Anisyl butyrate (a) They are used in the minimum Anisyl formate. Anisyl phenylacetate. quantity required to produce their in- Anisyl propionate. tended effect, and otherwise in accord- Beechwood creosote. ance with all the principles of good Benzaldehyde dimethyl acetal. manufacturing practice. Benzaldehyde glyceryl acetal; 2-phenyl-m-di- (b) They consist of one or more of the oxan-5-ol. following, used alone or in combination Benzaldehyde propylene glycol acetal; 4- with flavoring substances and adju- methyl-2-phenyl-m-dioxolane. vants generally recognized as safe in Benzenethiol; thiophenol. Benzoin; 2-hydroxy-2-phenylacetophenone. food, prior-sanctioned for such use, or Benzophenone; diphenylketone. regulated by an appropriate section in Benzyl acetate. this part. Benzyl acetoacetate. Benzyl alcohol. Acetal; acetaldehyde diethyl acetal. Benzyl benzoate. Acetaldehyde phenethyl propyl acetal. Benzyl butyl ether. ′ Acetanisole; 4 -methoxyacetophenone. Benzyl butyrate. Acetophenone; methyl phenyl ketone. Benzyl cinnamate. Allyl anthranilate. Benzyl 2,3–dimethylcrotonate; benzyl methyl Allyl butyrate. tiglate. Allyl cinnamate. Benzyl disulfide; dibenzyl disulfide. Allyl cyclohexaneacetate. Benzyl ethyl ether. Allyl cyclohexanebutyrate. Benzyl formate. Allyl cyclohexanehexanoate. 3-Benzyl-4-heptanone; benzyl dipropyl ke- Allyl cyclohexaneproprionate. tone. Allyl cyclohexanevalerate. Benzyl isobutyrate. Allyl disulfide. Benzyl isovalerate. Allyl 2-ethylbutyrate. Benzyl mercaptan; a-toluenethiol. Allyl hexanoate; allyl caproate. Benzyl methoxyethyl acetal; acetaldehyde Allyl a-ionone; 1-(2,6,6-trimethyl-2-cyclo-hex- benzyl b-methoxyethyl acetal. ene-1-yl)-1,6-heptadiene-3-one. Benzyl phenylacetate. Allyl isothiocyanate; mustard oil. Benzyl propionate. Allyl isovalerate. Benzyl salicylate. Allyl mercaptan; 2-propene-1-thiol. Birch tar oil. Allyl nonanoate. Borneol; d-camphanol. Allyl octanoate. Bornyl acetate. Allyl phenoxyacetate. Bornyl formate. Allyl phenylacetate. Bornyl isovalerate. Allyl propionate. Bornyl valerate. Allyl sorbate; allyl 2,4-hexadienoate. b-Bourbonene; 1,2,3,3a,3bb,4,5,6,6ab,6ba-deca- Allyl sulfide. hydro-la-isopropyl-3aa-methyl-6-meth- Allyl tiglate; allyl trans-2-methyl-2- ylene-cyclobuta [1,2:3,4] dicyclopentene. butenoate. 2-Butanol. Allyl 10-undecenoate. 2-Butanone; methyl ethyl ketone. Ammonium isovalerate. Butter acids. Ammonium sulfide. Butter esters. Amyl alcohol; pentyl alcohol. Butyl acetate. Amyl butyrate. Butyl acetoacetate. a-Amylcinnamaldehyde. Butyl alcohol; 1-butanol. a-Amylcinnamaldehyde dimethyl acetal. Butyl anthranilate. a-Amylcinnamyl acetate. Butyl butyrate. a-Amylcinnamyl alcohol. Butyl butyryllactate; lactic acid, butyl a-Amylcinnamyl formate. ester, butyrate. a-Amylcinnamyl isovalerate. a-Butylcinnamaldehyde. Amyl formate. Butyl cinnamate.

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Butyl 2-decenoate. Citronellyl valerate. Butyl ethyl malonate. p-Cresol. Butyl formate. Cuminaldehyde; cuminal; p-isopropyl benz- Butyl heptanoate. aldehyde. Butyl hexanoate. Cyclohexaneacetic acid. Butyl p-hydroxybenzoate. Cyclohexaneethyl acetate. Butyl isobutyrate. Cyclohexyl acetate. Butyl isovalerate. Cyclohexyl anthranilate. Butyl lactate. Cyclohexyl butyrate. Butyl laurate. Cyclohexyl cinnamate. Butyl levulinate. Cyclohexyl formate. Butyl phenylacetate. Cyclohexyl isovalerate. Butyl propionate. Cyclohexyl propionate. Butyl stearate. p-Cymene. Butyl sulfide. g-Decalactone; 4-hydroxy-decanoic acid, g- Butyl 10-undecenoate. lactone. Butyl valerate. g-Decalactone; 5-hydroxy-decanoic acid, d- Butyraldehyde. lactone. Cadinene. Decanal dimethyl acetal. Camphene; 2,2-dimethyl-3-methylene- 1-Decanol; decylic alcohol. norbornane. 2-Decenal. d-Camphor. 3-Decen-2-one; heptylidene acetone. Carvacrol; 2-p-cymenol. Decyl actate. Carvacryl ethyl ether; 2-ethoxy-p-cymene. Decyl butyrate. Carveol; p-mentha-6,8-dien-2-ol. Decyl propionate. 4-Carvomenthenol; 1-p-menthen-4-ol; 4- Dibenzyl ether. terpinenol. 4,4-Dibutyl-g-butyrolactone; 4,4-dibutyl-4-hy- cis Carvone oxide; 1,6-epoxy-p-menth-8-en-2- droxy-butyric acid, g-lactone. one. Dibutyl sebacate. Carvyl acetate. Diethyl malate. Carvyl propionate. Diethyl malonate; ethyl malonate. b-Caryophyllene. Diethyl sebacate. Caryophyllene alcohol. Diethyl succinate. Caryophyllene alcohol acetate. Diethyl tartrate. b-Caryophyllene oxide; 4-12,12-trimethyl-9- 2,5-Diethyltetrahydrofuran. methylene-5-oxatricylo [8.2.0.0 4,6] dode- Dihydrocarveol; 8-p-menthen-2-ol; 6-methyl- cane. 3-isopropenylcyclohexanol. Cedarwood oil alcohols. Dihydrocarvone. Cedarwood oil terpenes. Dihydrocarvyl acetate. 1,4-Cineole. m-Dimethoxybenzene. Cinnamaldehyde ethylene glycol acetal. p-Dimethoxybenzene; dimethyl hydro- Cinnamic acid. quinone. Cinnamyl acetate. 2,4-Dimethylacetophenone. Cinnamyl alcohol; 3-phenyl-2-propen-1-ol. a,a-Dimethylbenzyl isobutyrate; phenyldi- Cinnamyl benzoate. methylcarbinyl isobutyrate. Cinnamyl butyrate. 2,6-Dimethyl-5-heptenal. Cinnamyl cinnamate. 2,6-Dimethyl octanal; isodecylaldehyde. Cinnamyl formate. 3,7-Dimethyl-1-octanol; tetrahydrogeraniol. Cinnamyl isobutyrate. a,a-Dimethylphenethyl acetate; benzyl- Cinnamyl isovalerate. propyl acetate; benzyldimethylcarbinyl ac- Cinnamyl phenylacetate. etate. Cinnamyl propionate. a,a-Dimethylphenethyl alcohol; dimethyl- Citral diethyl acetal; 3,7-dimethyl-2,6-octa- benzyl carbinol. dienal diethyl acetal. a,a-Dimethylphenethyl butyrate; benzyl- Citral dimethyl acetal; 3,7-dimethyl-2,6-octa- dimethylcarbinyl butyrate. dienal dimethyl acetal. a,a-Dimethylphenethyl formate; benzyldi- Citral propylene glycol acetal. methylcarbinyl formate. Citronellal; 3,7-dimethyl-6-octenal; rhodinal. Dimethyl succinate. Citronellol; 3,7-dimethyl-6-octen-1-ol; d-cit- 1,3-Diphenyl-2-propanone; dibenzyl ketone. ronellol. delta-Dodecalactone; 5-hydroxydodecanoic Citronelloxyacetaldehyde. acid, deltalactone. Citronellyl acetate. g-Dodecalactone; 4-hydroxydodecanoic acid g- Citronellyl butyrate. lactone. Citronellyl formate. 2-Dodecenal. Citronellyl isobutyrate. Estragole. Citronellyl phenylacetate. r-Ethoxybenzaldehyde. Citronellyl propionate. Ethyl acetoacetate.

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Ethyl 2-acetyl-3-phenylpropionate; ethyl- Formic acid benzyl acetoacetate. (2-Furyl)-2-propanone; furyl acetone. Ethyl aconitate, mixed esters. 1-Furyl-2-propanone; furyl acetone. Ethyl acrylate. Fusel oil, refined (mixed amyl alcohols). Ethyl r-anisate. Geranyl acetoacetate; trans-3,7-dimethyl-2, 6- Ethyl anthranilate. octadien-1-yl acetoacetate. Ethyl benzoate. Geranyl acetone; 6,10-dimethyl-5,9- Ethyl benzoylacetate. undecadien-2-one. a-Ethylbenzyl butyrate; a-phenylpropyl bu- Geranyl benzoate. tyrate. Geranyl butyrate. Ethyl brassylate; tridecanedioic acid cyclic Geranyl formate. ethylene glycol diester; cyclo 1,13-ethyl- Geranyl hexanoate enedioxytridecan-1,13-dione. Geranyl isobutyrate. 2-Ethylbutyl acetate. Geranyl isovalerate. 2-Ethylbutyraldehyde. Geranyl phenylacetate. 2-Ethylbutyric acid. Geranyl propionate. Ethyl cinnamate. Glucose pentaacetate. Ethyl crotonate; trans-2-butenoic acid ethyl- Guaiacol; μ-methoxyphenol. ester. Guaiacyl acetate; μ-methoxyphenyl acetate. Ethyl cyclohexanepropionate. Guaiacyl phenylacetate. Ethyl decanoate. Guaiene; 1,4-dimethyl-7-isopropenyl-D9,10- 2-Ethylfuran. octahydroazulene. Ethyl 2-furanpropionate. Guaiol acetate; 1,4-dimethyl-7-(a-hydroxy- 4-Ethylguaiacol; 4-ethyl-2-methoxyphenol. isopropyl)-d9,10-octahydroazulene acetate. Ethyl heptanoate. g-Heptalactone; 4-hydroxyheptanoic acid, g- 2-Ethyl-2-heptenal; 2-ethyl-3-butylacrolein. lactone. Ethyl hexanoate. Heptanal; enanthaldehyde. Ethyl isobutyrate. Heptanal dimethyl acetal. Ethyl isovalerate. Heptanal 1,2-glyceryl acetal. Ethyl lactate. 2,3-Heptanedione; acetyl valeryl. Ethyl laurate. 3-Heptanol. Ethyl levulinate. 2-Heptanone; methyl amyl ketone. Ethyl maltol; 2-ethyl-3-hydroxy-4H-pyran-4- 3-Heptanone; ethyl butyl ketone. one. 4-Heptanone; dipropyl ketone. Ethyl 2-methylbutyrate. cis-4-Heptenal; cis-4-hepten-1-al. Ethyl myristate. Heptyl acetate. Ethyl nitrite. Heptyl alcohol; enanthic alcohol. Ethyl nonanoate. Heptyl butyrate. Ethyl 2-nonynoate; ethyl octyne carbonate. Heptyl cinnamate. Ethyl octanoate. Heptyl formate. Ethyl oleate. Heptyl isobutyrate. Ethyl phenylacetate. Heptyl octanoate. Ethyl 4-phenylbutyrate. 1-Hexadecanol; cetyl alcohol. Ethyl 3-phenylglycidate. w-6-Hexadecenlactone; 16-hydroxy-6- Ethyl 3-phenylpropionate; ethyl hydro- hexadecenoic acid, w-lactone; cinnamate. ambrettolide. Ethyl propionate. g-Hexalactone; 4-hydroxyhexanoic acid, g-lac- Ethyl pyruvate. tone; tonkalide. Ethyl salicylate. Hexanal; caproic aldehyde. Ethyl sorbate; ethyl 2,4-hexadienoate. 2,3-Hexanedione; acetyl butyryl. Ethyl tiglate; ethyl trans-2-methyl-2- Hexanoic acid; caproic acid. butenoate. 2-Hexenal. Ethyl undecanoate. 2-Hexen-1-ol. Ethyl 10-undecenoate. 3-Hexen-1-ol; leaf alcohol. Ethyl valerate. 2-Hexen-1-yl acetate. Eucalyptol; 1,8-epoxy-p-menthane; cineole. 3-Hexenyl isovalerate. Eugenyl acetate. 3-Hexenyl 2-methylbutyrate. Eugenyl benzoate. 3-Hexenyl phenylacetate; cis-3-hexenyl phen- Eugenyl formate. ylacetate. Eugenyl methyl ether; 4-allylveratrole; Hexyl acetate. methyl eugenol. 2-Hexyl-4-acetoxytetrahydrofuran. Farnesol; 3,7,11-trimethyl-2,6,10-dodecatrien- Hexyl alcohol. 1-ol. Hexyl butyrate. d-Fenchone; d-1,3,3-trimethyl-2-nor- a-Hexylcinnamaldehyde. bornanone. Hexyl formate. Fenchyl alcohol; 1,3,3-trimethyl-2-nor- Hexyl hexanoate. bornanol. 2-Hexylidene cyclopentanone.

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Hexyl isovalerate. a-Isobutylphenethyl alcohol; isobutyl benzyl Hexyl 2-methylbutyrate. carbinol; 4-methyl-1-phenyl-2-pentanol. Hexyl octanoate. Isobutyl phenylacetate. Hexyl phenylacetate; n-hexyl phenylacetate. Isobutyl propionate. Hexyl propionate. Isobutyl salicylate. Hydroxycitronellal; 3,7-dimethyl-7-hydroxy- 2-Isobutylthiazole. octanal. Isobutyraldehyde. Hydroxycitronellal diethyl acetal. Isobutyric acid. Hydroxycitronellal dimethyl acetal. Isoeugenol; 2-methoxy-4-propenylphenol. Hydroxycitronellol; 3,7-dimethyl-1,7- Isoeugenyl acetate. octanediol. Isoeugenyl benzyl ether; benzyl isoeugenol. N-(4-Hydroxy-3-methoxybenzyl)-nonanamide; Isoeugenyl ethyl ether; 2-ethoxy-5-propenyl- pelargonyl vanillylamide. anisole; ethyl isoeugenol. 5-Hydroxy-4-octanone; butyroin. Isoeugenyl formate. 4-(p-Hydroxyphenyl)-2-butanone; p-hydroxy- Isoeugenyl methyl ether; 4-propenyl- benzyl acetone. veratrole; methyl isoeugenol. Indole. Isoeugenyl phenylacetate. a-Ionone; 4-(2,6,6-trimethyl-2-cyclohexen-1- Isojasmone; mixture of 2-hexylidenecyclo- yl)-3-buten-2-one. pentanone and 2-hexyl-2-cyclopenten-1-one. b-Ionone; 4-(2,6,6-trimethyl-1-cyclohexen-1- a-Isomethylionone; 4-(2,6,6-trimethyl-2- yl)-3-buten-2-one. cyclohexen-1-yl)-3-methyl-3-buten-2-one; methyl -ionone. a-Irone; 4-(2,5,6,6-tetramethyl-2-cyclohexene- g 1-yl)-3-buten-2-one; 6-methylionone. Isopropyl acetate. Isoamyl acetate. r-Isopropylacetophenone. Isoamyl acetoacetate. Isopropyl alcohol; isopropanol. Isopropyl benzoate. Isoamyl alcohol; isopentyl alcohol; 3-methyl- -Isopropylbenzyl alcohol; cuminic alcohol; 1-butanol. r -cymen-7-ol. Isoamyl benzoate. r Isopropyl butyrate. Isoamyl butyrate. Isopropyl cinnamate. Isoamyl cinnamate. Isopropyl formate. Isoamyl formate. Isopropyl hexanoate. Isoamyl 2-furanbutyrate; a-isoamyl furfuryl- Isopropyl isobutyrate. propionate. Isopropyl isovalerate. Isoamyl 2-furanpropionate; a-isoamyl fur- r-Isopropylphenylacetaldehyde; r-cymen-7- furylacetate. carboxaldehyde. Isoamyl hexanoate. Isopropyl phenylacetate. Isoamyl isobutyrate. 3-(r-Isopropylphenyl)-propionaldehyde; r-iso- Isoamyl isovalerate. propylhydrocinnamaldehyde; cuminyl ac- Isoamyl laurate. etaldehyde. Isoamyl-2-methylbutyrate; isopentyl-2- Isopropyl propionate. methylbutyrate. Isopulegol; p-menth-8-en-3-ol. Isoamyl nonanoate. Isopulegone; p-menth-8-en-3-one. Isoamyl octanoate. Isopulegyl acetate. Isoamyl phenylacetate. Isoquinoline. Isoamyl propionate. Isovaleric acid. Isoamyl pyruvate. cis-Jasmone; 3-methyl-2-(2-pentenyl)-2-cyclo- Isoamyl salicylate. penten-1-one. Isoborneol. Lauric aldehyde; dodecanal. Isobornyl acetate. Lauryl acetate. Isobornyl formate. Lauryl alcohol; 1-dodecanol. Isobornyl isovalerate. Lepidine; 4-methylquinoline. Isobornyl propionate. Levulinic acid. Isobutyl acetate. Linalool oxide; cis- and trans-2-vinyl-2-meth- Isobutyl acetoacetate. yl-5-(1′-hydroxy-1′-methylethyl) tetra- Isobutyl alcohol. hydrofuran. Isobutyl angelate; isobutyl cis-2-methyl-2- Linalyl anthranilate; 3,7-dimethyl-1,6- butenoate. octadien-3-yl anthranilate. Isobutyl anthranilate. Linalyl benzoate. Isobutyl benzoate. Linalyl butyrate. Isobutyl butyrate. Linalyl cinnamate. Isobutyl cinnamate. Linalyl formate. Isobutyl formate. Linalyl hexanoate. Isobutyl 2-furanpropionate. Linalyl isobutyrate. Isobutyl heptanoate. Linalyl isovalerate. Isobutyl hexanoate. Linalyl octanoate. Isobutyl isobutyrate. Linalyl propionate.

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Maltol; 3-hydroxy-2-methyl-4H-pyran-4-one. Methyl-5-hepten-2-ol. Menthadienol; p-mentha-1,8(10)-dien-9-ol. 6-Methyl-5-hepten-2-one. p-Mentha-1,8-dien-7-ol; perillyl alcohol. Methyl hexanoate. Menthadienyl acetate; p-mentha-1,8(10)-dien- Methyl 2-hexanoate. 9-yl acetate. Methyl p-hydroxybenzoate; methylparaben. p-Menth-3-en-1-ol. Methyl a-ionone; 5-(2,6,6-trimethyl-2-cyclo- 1-p-Menthen-–9-yl acetate; p-menth-1-en-9-yl hexen-1-yl)-4-penten-3-one. acetate. Methyl b-ionone; 5-(2,6,6-trimethyl-1-cyclo- Menthol; 2-isopropyl-5-methylcyclohexanol. hexen-1-yl)-4-penten-3-one. Menthone; p-menthan-3-one. Methyl D-ionone; 5-(2,6,6-trimethyl-3-cyclo- Menthyl acetate; p-menth-3-yl acetate. hexen-1-yl-)-4-penten-3-one. Menthyl isovalerate; p-menth-3-yl iso- Methyl isobutyrate. valerate. 2-Methyl-3-(p-isopropylphenyl)-propionalde- o-Methoxybenzaldehyde. hyde; a-methyl-p-isopropylhydro- p-Methoxybenzaldehyde; p-anisaldehyde. cinnamaldehyde; cyclamen aldehyde. o-Methoxycinnamaldehyde. Methyl isovalerate. 2-Methoxy-4-methylphenol; 4-methyl- Methyl laurate. guaiacol; 2-methoxy-p-cresol. Methyl mercaptan; methanethiol. 4-(p-Methoxyphenyl)-2-butanone; anisyl ace- Methyl o-methoxybenzoate. tone. Methyl N-methylanthranilate; dimethyl an- 1-(4-Methoxyphenyl)-4-methyl-1-penten-3- thranilate. one; methoxystyryl isopropyl ketone. Methyl 2-methylbutyrate. 1-(p-Methoxyphenyl)-1-penten-3-one; a- Methyl-3-methylthiopropionate. methylanisylidene acetone; ethone. Methyl 4-methylvalerate. 1-(p-Methoxyphenyl)-2-propanone; Methyl myristate. anisylmethyl ketone; anisic ketone. Methyl b-naphthyl ketone; 2′-acetonaph- 2-Methoxy-4-vinylphenol; p-vinylguaiacol. thone. Methyl acetate. Methyl nonanoate. 4′-Methylacetophenone; p-methylaceto- Methyl 2-nonenoate. phenone; methyl p-tolyl ketone. Methyl 2-nonynoate; methyloctyne car- 2-Methylallyl butyrate; 2-methyl-2-propenl- bonate. yl butyrate. 2-Methyloctanal; methyl hexyl acetaldehyde. Methyl anisate. Methyl octanoate. o-Methylanisole; o-cresyl methyl ether. Methyl 2-octynoate; methyl heptine car- p-Methylanisole; p-cresyl methyl ether; p- bonate. methoxytoluene. 4-Methyl-2,3-pentanedione; acetyl iso- Methyl benzoate. butyryl. Methylbenzyl acetate, mixed o-,m-,p-. 4-Methyl-2-pentanone; methyl isobutyl ke- a-Methylbenzyl acetate; styralyl acetate. tone. a-Methylbenzyl alcohol; styralyl alcohol. b-Methylphenethyl alcohol; hydratropyl al- a-Methylbenzyl butyrate; styralyl butyrate. cohol. a-Methylbenzyl isobutyrate; styralyl iso- Methyl phenylacetate. butyrate. 3-Methyl-4-phenyl-3-butene-2-one. a-Methylbenzyl formate; styralyl formate. 2-Methyl-4-phenyl-2-butyl acetate; dimethyl- a-Methylbenzyl propionate; styralyl propio- phenylethyl carbinyl acetate. nate. 2-Methyl-4-phenyl-2-butyl isobutyrate; 2-Methyl-3-buten-2-ol. dimethylphenyl ethylcarbinyl isobutyrate. 2-Methylbutyl isovalerate. 3-Methyl-2-phenylbutyraldehyde; a-isopropyl Methyl p-tert-butylphenylacetate. phenylacetaldehyde. 2-Methylbutyraldehyde; methyl ethyl acetal- Methyl 4-phenylbutyrate. dehyde. 4-Methyl-1-phenyl-2-pentanone; benzyl iso- 3-Methylbutyraldehyde; isovaleraldehyde. butyl ketone. Methyl butyrate. Methyl 3-phenylpropionate; methyl hydro- 2-Methylbutyric acid. cinnamate. a-Methylcinnamaldehyde. Methyl propionate. p-Methylcinnamaldehyde. 3-Methyl-5-propyl-2-cyclohexen-1-one. Methyl cinnamate. Methyl sulfide. 2-Methyl-1,3-cyclohexadiene. 3-Methylthiopropionaldehyde; methional. Methylcyclopentenolone; 3-methylcyclopen- 2-Methyl-3-tolylpropionaldehyde, mixed o-, tane-1,2-dione. m-, p-. Methyl disulfide; dimethyl disulfide. 2-Methylundecanal; methyl nonyl acetal- Methyl ester of rosin, partially hydrogenated dehyde. (as defined in § 172.615); methyl Methyl 9-undecenoate. dihydroabietate. Methyl 2-undecynoate; methyl decyne car- Methyl heptanoate. bonate. 2-Methylheptanoic acid. Methyl valerate. 6-Methyl-3,5-heptadien-2-one. 2-Methylvaleric acid.

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Myrcene; 7-methyl-3-methylene-1,6-octa- Phenethyl anthranilate. diene. Phenethyl benzoate. Myristaldehyde; tetradecanal. Phenethyl butyrate. d-Neomenthol; 2-isopropyl-5-methylcyclo- Phenethyl cinnamate. hexanol. Phenethyl formate. Nerol; cis-3,7-dimethyl-2,6-octadien-1-ol. Phenethyl isobutyrate. Nerolidol; 3,7,11-trimethyl-1,6,10-dodecatrien- Phenethyl isovalerate. 3-ol. Phenethyl 2-methylbutyrate. Neryl acetate. Phenethyl phenylacetate. Neryl butyrate. Phenethyl propionate. Neryl formate. Phenethyl salicylate. Neryl isobutyrate. Phenethyl senecioate; phenethyl 3,3-di- Neryl isovalerate. methylacrylate. Neryl propionate. Phenethyl tiglate. 2,6-Nonadien-1-ol. Phenoxyacetic acid. g-Nonalactone; 4-hydroxynonanoic acid, g- 2-Phenoxyethyl isobutyrate. lactone; aldehyde C–18. Phenylacetaldehyde; a-toluic aldehyde. Nonanal; pelargonic aldehyde. Phenylacetaldehyde 2,3-butylene glycol ace- 1,3-Nonanediol acetate, mixed esters. tal. Nonanoic acid; pelargonic acid. Phenylacetaldehyde dimethyl acetal. 2-Nonanone; methylheptyl ketone. Phenylacetaldehyde glyceryl acetal. 3-Nonanon-1-yl acetate; 1-hydroxy-3- Phenylacetic acid; a-toluic acid. nonanone acetate. 4-Phenyl-2-butanol; phenylethyl methyl car- Nonyl acetate. binol. Nonyl alcohol; 1-nonanol. 4-Phenyl-3-buten-2-ol; methyl styryl car- Nonyl octanoate. binol. Nonyl isovalerate. 4-Phenyl-3-buten-2-one. Nootkatone; 5,6-dimethyl-8-isopropenyl- 4-Phenyl-2-butyl acetate; phenylethyl meth- bicyclo[4,4,0]-dec-1-en-3-one. yl carbinyl acetate. Ocimene; trans-b-ocimene; 3,7-dimethyl-1,3,6- 1-Phenyl-3-methyl-3-pentanol; phenylethyl octatriene. methyl ethyl carbinol. g-Octalactone; 4-hydroxyoctanoic acid, g-lac- 1-Phenyl-1-propanol; phenylethyl carbinol. tone. 3-Phenyl-1-propanol; hydrocinnamyl alcohol. Octanal; caprylaldehyde. 2-Phenylpropionaldehyde; hydratropalde- Octanal dimethyl acetal. hyde. 1-Octanol; octyl alcohol. 3-Phenylpropionaldehyde; hydrocinnamal- 2-Octanol. dehyde. 3-Octanol. 2-Phenylpropionalde-hyde dimethyl acetal; 2-Octanone; methyl hexyl ketone. hydratropic aldehyde dimethyl acetal. 3-Octanone; ethyl amyl ketone. 3-Phenylpropionic acid; hydrocinnamic acid. 3-Octanon-1-ol. 3-Phenylpropyl acetate. 1-Octen-3-ol; amyl vinyl carbinol. 2-Phenylpropyl butyrate. 1-Octen-3-yl acetate. 3-Phenylpropyl cinnamate. Octyl acetate. 3-Phenylpropyl formate. 3-Octyl acetate. 3-Phenylpropyl hexanoate. Octyl butyrate. 2-Phenylpropyl isobutyrate. Octyl formate. 3-Phenylpropyl isobutyrate. Octyl heptanoate. 3-Phenylpropyl isovalerate. Octyl isobutyrate. 3-Phenylpropyl propionate. Octyl isovalerate. 2-(3-Phenylpropyl)-tetrahydrofuran. Octyl octanoate. a-Pinene; 2-pinene. Octyl phenylacetate. b-Pinene; 2(10)-pinene. Octyl propionate. Pine tar oil. w-Pentadecalactone; 15-hydroxypentadeca- Pinocarveol; 2(10)-pinen-3-ol. noic acid, w-lactone; pentadecanolide; an- Piperidine. gelica lactone. Piperine. 2,3-Pentanedione; acetyl propionyl. d-Piperitone; p-menth-1-en-3-one. 2-Pentanone; methyl propyl ketone. Piperitenone; p-mentha-1,4(8)-dien-3-one. 4-Pentenoic acid. Piperitenone oxide; 1,2-epoxy-p-menth-4-(8)- 1-Penten-3-ol. en-3-one. Perillaldehyde; 4-isopropenyl-1-cyclohexene- Piperonyl acetate; heliotropyl acetate. 1-carboxaldehyde;p-mentha-1,8-dien-7-al. Piperonyl isobutyrate. Perillyl acetate; p-mentha-1,8-dien-7-yl ace- Polylimonene. tate. Polysorbate 20; polyoxyethylene (20) sorbitan a-Phellandrene; r-mentha-1,5-diene. monolaurate. Phenethyl acetate. Polysorbate 60; polyoxyethylene (20) sorbitan Phenethyl alcohol; b-phenylethyl alcohol. monostereate. 64

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Polysorbate 80; polyoxyethylene (20) sorbitan Tetramethyl ethylcyclohexenone; mixture of monooleate. 5-ethyl-2,3,4,5-tetramethyl-2-cyclohexen-1- Potassium acetate. one and 5-ethyl-3,4,5,6-tetramethyl-2-cyclo- Propenylguaethol; 6-ethoxy-m-anol. hexen-1-one. Propionaldehyde. 2-Thienyl mercaptan; 2-thienylthiol. Propyl acetate. Thymol. Propyl alcohol; 1-propanol. Tolualdehyde glyceryl acetal, mixed o, m, p. p-Propyl anisole; dihydroanethole. Tolualdehydes, mixed o, m, p. Propyl benzoate. p-Tolylacetaldehyde. Propyl butyrate. o-Tolyl acetate; o-cresyl acetate. Propyl cinnamate. p-Tolyl acetate; p-cresyl acetate. Propyl disulfide. 4-(p-Tolyl)-2-butanone; p-methylbenzylace- Propyl formate. tone. Propyl 2-furanacrylate. p-Tolyl isobutyrate. Propyl heptanoate. p-Tolyl laurate. Propyl hexanoate. p-Tolyl phenylacetate. Propyl p-hydroxybenzoate; propylparaben. 2-(p-Tolyl)-propionaldehyde; p-methylhydra- 3-Propylidenephthalide. tropic aldehyde. Propyl isobutyrate. Tributyl acetylcitrate. Propyl isovalerate. 2-Tridecenal. Propyl mercaptan. 2,3-Undecadione; acetyl nonyryl. a-Propylphenethyl alcohol. g-Undecalactone; 4-hydroxyundecanoic acid Propyl phenylacetate. g-lactone; peach aldehyde; aldehyde C–14. Propyl propionate. Undecenal. Pulegone; p-menth-4(8)-en-3-one. 2-Undecanone; methyl nonyl ketone. Pyridine. 9-Undecenal; undecenoic aldehyde. Pyroligneous acid extract. 10-Undecenal. Pyruvaldehyde. Undecen-1-ol; undecylenic alcohol. Pyruvic acid. 10-Undecen-1-yl acetate. Rhodinol; 3,7-dimethyl-7-octen-1-ol; l- Undecyl alcohol. citronellol. Valeraldehyde; pentanal. Rhodinyl acetate. Valeric acid; pentanoic acid. Rhodinyl butyrate. Vanillin acetate; acetyl vanillin. Rhodinyl formate. Veratraldehyde. Rhodinyl isobutyrate. Verbenol; 2-pinen-4-ol. Rhodinyl isovalerate. Zingerone; 4-(4-hydroxy-3-methoxyphenyl)-2- Rhodinyl phenylacetate. butanone. Rhodinyl propionate. (c) D-Decalactone and D- Rum ether; ethyl oxyhydrate. dodecalactone when used separately or Salicylaldehyde. in combination in oleomargarine are Santalol, a and b. Santalyl acetate. used at levels not to exceed 10 parts per Santalyl phenylacetate. million and 20 parts per million, re- Skatole. spectively, in accordance with § 166.110 Sorbitan monostearate. of this chapter. Styrene. (d) BHA (butylated hydroxyanisole) Sucrose octaacetate. may be used as an antioxidant in fla- a-Terpinene. voring substances whereby the additive g-Terpinene. does not exceed 0.5 percent of the es- a-Terpineol; p-menth-1-en-8-ol. b-Terpineol. sential (volatile) oil content of the fla- Terpinolene; p-menth-1,4(8)-diene. voring substance. Terpinyl acetate. [42 FR 14491, Mar. 15, 1977, as amended at 42 Terpinyl anthranilate. FR 23148, May 6, 1977; 43 FR 19843, May 9, Terpinyl butyrate. 1978; 45 FR 22915, Apr. 4, 1980; 47 FR 27810, Terpinyl cinnamate. June 25, 1982; 48 FR 10812, Mar. 15, 1983; 48 FR Terpinyl formate. 51907, Nov. 15, 1983; 49 FR 5747, Feb. 15, 1984; Terpinyl isobutyrate. 50 FR 42932, Oct. 23, 1985; 54 FR 7402, Feb. 21, Terpinyl isovalerate. 1989; 61 FR 14245, Apr. 1, 1996; 69 FR 24511, Terpinyl propionate. May 4, 2004] Tetrahydrofurfuryl acetate. Tetrahydrofurfuryl alcohol. § 172.520 Cocoa with dioctyl sodium Tetrahydrofurfuryl butyrate. sulfosuccinate for manufacturing. Tetrahydrofurfuryl propionate. Tetrahydro-pseudo-ionone; 6,10-dimethyl-9- The food additive ‘‘cocoa with dioctyl undecen-2-one. sodium sulfosuccinate for manufac- Tetrahydrolinalool; 3,7-dimethyloctan-3-ol. turing,’’ conforming to § 163.117 of this

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chapter and § 172.810, is used or in- (i) A solution of the food additive sol- tended for use as a flavoring substance ids is made up in approximately 0.012 n in dry beverage mixes whereby the alkaline methyl alcohol (6 milliliters amount of dioctyl sodium sulfo- of 1 n sodium hydroxide diluted to 500 succinate does not exceed 75 parts per milliliters with methyl alcohol) to million of the finished beverage. The show an absorbance at 253 millimicrons labeling of the dry beverage mix shall of 0.6 to 0.9 per centimeter. (This ab- bear adequate directions to assure use sorbance is obtained by approximately in compliance with this section. 0.03 milligram solids permilliliter.) The ultraviolet absorption spectrum of this § 172.530 Disodium guanylate. solution exhibits the following charac- Disodium guanylate may be safely teristics: An absorption peak at 253 used as a flavor enhancer in foods, at a millimicrons; no absorption peak at 325 level not in excess of that reasonably to 330 millimicrons; the absorbance at required to produce the intended effect. 268 millimicrons does not exceed the absorbance at 272 millimicrons. § 172.535 Disodium inosinate. (ii) The boron content of the food ad- The food additive disodium inosinate ditive does not exceed 310 parts per may be safely used in food in accord- million (0.0310 percent), calculated as ance with the following prescribed con- boron. ditions: (2) The additive is manufactured (a) The food additive is the disodium from hops by a sequence of extractions salt of inosinic acid, manufactured and and fractionations, using benzene, light purified so as to contain no more than petroleum spirits, and methyl alcohol 150 parts per million of soluble barium as solvents, followed by isomerization in the compound disodium inosinate by potassium carbonate treatment. with seven and one-half molecules of Residues of solvents in the modified water of crystallization. hop extract shall not exceed 1.0 part (b) The food additive is used as a fla- per million of benzene, 1.0 part per mil- voring adjuvant in food. lion of light petroleum spirits, and 250 parts per million of methyl alcohol. § 172.540 DL-Alanine. The light petroleum spirits and ben- DL-Alanine (a racemic mixture of D- zene solvents shall comply with the and L-alanine; CAS Reg. No. 302–72–7) specifications in § 172.250 except that the boiling point range for light petro- may be safely used as a flavor enhancer ° ° for sweeteners in pickling mixtures at leum spirits is 150 F–300 F. a level not to exceed 1 percent of the (3) The additive is manufactured pickling spice that is added to the from hops by a sequence of extractions pickling brine. and fractionations, using methylene chloride, hexane, and methyl alcohol as [56 FR 6968, Feb. 21, 1991] solvents, followed by isomerization by sodium hydroxide treatment. Residues § 172.560 Modified hop extract. of the solvents in the modified hop ex- The food additive modified hop extract shall not exceed 5 parts per mil- tract may be safely used in beer in ac- lion of methylene chloride, 25 parts per cordance with the following prescribed million of hexane, and 100 parts per conditions: million of methyl alcohol. (a) The food additive is used or in- (4) The additive is manufactured tended for use as a flavoring agent in from hops by a sequence of extractions the brewing of beer. and fractionations, using benzene, light (b) The food additive is manufactured petroleum spirits, methyl alcohol, n- by one of the following processes: butyl alcohol, and ethyl acetate as sol- (1) The additive is manufactured vents, followed by isomerization by po- from a hexane extract of hops by si- tassium carbonate treatment. Residues multaneous isomerization and selec- of solvents in the modified hop extract tive reduction in an alkaline aqueous shall not exceed 1.0 part per million of medium with sodium borohydride, benzene, 1.0 part per million of light whereby the additive meets the fol- petroleum spirits, 50 parts per million lowing specifications: of methyl alcohol, 50 parts per million

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of n-butyl alcohol, and 1 part per mil- residue limitations as prescribed in lion of ethyl acetate. The light petro- paragraph (b)(5) of this section, and a leum spirits and benzene solvents shall boron content level not in excess of 300 comply with the specifications in parts per million (0.0300 percent), cal- § 172.250 except that the boiling point culated as boron. range for light petroleum spirits is 150 (8) The additive is manufactured °F to 300 °F. from hops as a nonisomerizable non- (5) The additive is manufactured volatile hop resin by an initial extrac- from hops by an initial extraction and tion and fractionation using one or fractionation using one or more of the more of the solvents listed in para- following solvents: Ethylene dichlo- graph (b)(5) of this section followed by ride, hexane, isopropyl alcohol, methyl a sequence of aqueous extractions and alcohol, methylene chloride, trichloro- removal of nonaqueous solvents to less ethylene, and water; followed by than 0.5 percent. The additive is added isomerization by calcium chloride or to the wort before or during cooking in magnesium chloride treatment in the manufacture of beer. ethylene dichloride, methylene chloride, or trichloroethylene and a further § 172.575 Quinine. sequence of extractions and fraction- Quinine, as the hydrochloride salt or ations using one or more of the sol- sulfate salt, may be safely used in food vents set forth in this paragraph. Resi- in accordance with the following condi- dues of the solvents in the modified tions: hop extract shall not exceed 125 parts per million of hexane; 150 parts per mil- Uses Limitations lion of ethylene dichloride, methylene In carbonated bev- Not to exceed 83 parts per million, as chloride, or trichloroethylene; or 250 erages as a flavor. quinine. Label shall bear a promi- parts per million of isopropyl alcohol nent declaration of the presence of quinine either by the use of the or methyl alcohol. word ‘‘quinine’’ in the name of the (6) The additive is manufactured article or through a separate dec- from hops by an initial extraction and laration. fractionation using one or more of the solvents listed in paragraph (b)(5) of § 172.580 Safrole-free extract of sas- this section followed by: Hydro- safras. genation using palladium as a catalyst The food additive safrole-free extract in methyl alcohol, ethyl alcohol, or of sassafras may be safely used in ac- isopropyl alcohol acidified with hydro- cordance with the following prescribed chloric or sulfuric acid; oxidation with conditions: peracetic acid; isomerization by cal- (a) The additive is the aqueous ex- cium chloride or magnesium chloride tract obtained from the root bark of treatment in ethylene dichloride, the plant Sassafras albidum (Nuttall) methylene chloride, or trichloro- Nees (Fam. Lauraceae). ethylene (alternatively, the hydro- (b) It is obtained by extracting the genation and isomerization steps may bark with dilute alcohol, first concen- be performed in reverse order); and a trating the alcoholic solution by vacu- further sequence of extractions and um distillation, then diluting the con- fractionations using one or more of the centrate with water and discarding the solvents listed in paragraph (b)(5) of oily fraction. this section. The additive shall meet (c) The purified aqueous extract is the residue limitations as prescribed in safrole-free. paragraph (b)(5) of this section. (d) It is used as a flavoring in food. (7) The additive is manufactured from hops as set forth in paragraph § 172.585 Sugar beet extract flavor (b)(6) of this section followed by reduc- base. tion with sodium borohydride in aque- Sugar beet extract flavor base may ous alkaline methyl alcohol, and a se- be safely used in food in accordance quence of extractions and fraction- with the provisions of this section. ations using one or more of the sol- (a) Sugar beet extract flavor base is vents listed in paragraph (b)(5) of this the concentrated residue of soluble section. The additive shall meet the sugar beet extractives from which

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sugar and glutamic acid have been re- (a) The additive is produced by par- covered, and which has been subjected tial hydrolysis of yeast extract (de- to ion exchange to minimize the con- rived from Saccharomyces cereviseae, centration of naturally occurring trace Saccharomyces fragilis, or Candida utilis) minerals. using the sprout portion of malt barley (b) It is used as a flavor in food. as the source of enzymes. The additive contains a maximum of 6 percent 5′ nu- § 172.590 Yeast-malt sprout extract. cleotides by weight. Yeast-malt sprout extract, as de- (b) The additive may be used as a fla- scribed in this section, may be safely vor enhancer in food at a level not in used in food in accordance with the fol- excess of that reasonably required to lowing prescribed conditions: produce the intended effect.

Subpart G—Gums, Chewing Gum Bases and Related Substances

§ 172.610 Arabinogalactan. Arabinogalactan may be safely used in food in accordance with the following conditions: (a) Arabinogalactan is a polysaccharide extracted by water from Western larch wood, having galactose units and arabinose units in the approximate ratio of six to one. (b) It is used in the following foods in the minimum quantity required to produce its intended effect as an emulsifier, stabilizer, binder, or bodying agent: Essential oils, nonnutritive sweeteners, flavor bases, nonstandardized dressings, and pudding mixes.

§ 172.615 Chewing gum base. The food additive chewing gum base may be safely used in the manufacture of chewing gum in accordance with the following prescribed conditions: (a) The food additive consists of one or more of the following substances that meet the specifications and limitations prescribed in this paragraph, used in amounts not to exceed those required to produce the intended physical or other technical effect.

MASTICATORY SUBSTANCES NATURAL (COAGULATED OR CONCENTRATED LATICES) OF VEGETABLE ORIGIN

Family Genus and species

Sapotaceae: Chicle ...... Manilkara zapotilla Gilly and Manilkara chicle Gilly. Chiquibul ...... Manilkara zapotilla Gilly. Crown gum ...... Manilkara zapotilla Gilly and Manilkara chicle Gilly. Gutta hang kang ...... Palaquium leiocarpum Boerl. and Palaquium oblongifolium Burck. Massaranduba balata (and the solvent-free Manilkara huberi (Ducke) Chevalier. resin extract of Massaranduba balata). Massaranduba chocolate ...... Manilkara solimoesensis Gilly. Nispero ...... Manilkara zapotilla Gilly and Manilkara chicle Gilly. Rosidinha (rosadinha) ...... Micropholis (also known as Sideroxylon) spp. Venezuelan chicle ...... Manilkara williamsii Standley and related spp. Apocynaceae: Jelutong ...... Dyera costulata Hook, F. and Dyera lowii Hook, F. Leche caspi (sorva) ...... Couma macrocarpa Barb. Rodr. Pendare ...... Couma macrocarpa Barb. Rodr. and Couma utilis (Mart.) Muell. Arg. Perillo ...... Couma macrocarpa Barb. Rodr. and Couma utilis (Mart.) Muell. Arg. Moraceae: Leche de vaca ...... Brosimum utile (H.B.K.) Pittier and Poulsenia spp.; also Lacmellea standleyi (Woodson), Monachino (Apocynaceae). Niger gutta ...... Ficus platyphylla Del. Tunu (tuno) ...... Castilla fallax Cook. Euphorbiaceae: Chilte ...... Cnidoscolus (also known as Jatropha) elasticus Lundell and Cnidoscolus tepiquensis (Cost. and Gall.) McVaugh.

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