§ 172.610 21 CFR Ch. I (4–1–02 Edition)

(a) The additive is produced by par- units and arabinose units in the ap- tial hydrolysis of yeast extract (de- proximate ratio of six to one. rived from Saccharomyces cereviseae, (b) It is used in the following foods in Saccharomyces fragilis, or Candida utilis) the minimum quantity required to using the sprout portion of malt barley produce its intended effect as an emul- as the source of enzymes. The additive sifier, stabilizer, binder, or bodying ′ contains a maximum of 6 percent 5 nu- agent: Essential oils, nonnutritive cleotides by weight. sweeteners, flavor bases, nonstandard- (b) The additive may be used as a fla- ized dressings, and pudding mixes. vor enhancer in food at a level not in excess of that reasonably required to § 172.615 Chewing gum base. produce the intended effect. The food additive chewing gum base Subpart G—Gums, Chewing Gum may be safely used in the manufacture Bases and Related Substances of chewing gum in accordance with the following prescribed conditions: § 172.610 Arabinogalactan. (a) The food additive consists of one Arabinogalactan may be safely used or more of the following substances in food in accordance with the fol- that meet the specifications and limi- lowing conditions: tations prescribed in this paragraph, (a) Arabinogalactan is a poly- used in amounts not to exceed those re- saccharide extracted by water from quired to produce the intended physical Western larch wood, having galactose or other technical effect.

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

Family 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. : Jelutong ...... Dyera costulata Hook, F. and Dyera lowii Hook, F. Leche caspi (sorva) ...... Barb. Rodr. Pendare ...... Couma macrocarpa Barb. Rodr. and (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. Natural rubber (smoked sheet and latex sol- Hevea brasiliensis. ids) .

Synthetic Specifications

Butadiene-styrene rubber ...... Basic polymer. Isobutylene-isoprene copolymer (butyl rub- Do. ber) .

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