GRAS Notice 658, Grapefruit Extract
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Use the Right Citrus-Based Cleaning Products to Avoid Corrosion Or Rust Bob Beckley, Project Leader
United States Department of Agriculture Facilities Forest Service Technology & Development Program March 2006 0673–2319–MTDC 7300/7100/5100/2400/2300 Use the Right Citrus-Based Cleaning Products to Avoid Corrosion or Rust Bob Beckley, Project Leader itrus-based cleaning products are commonly found in metal on their chain saws. The crew stopped using citrus-based residential and commercial settings. The ingredients in products because they believed citric acid was causing the these products vary widely (figure 1). While some of damage. However, the damage probably was caused by a C water-based citrus cleaning product. What To Look for in a Citrus-Based Cleaning Product The Material Safety Data Sheets (MSDSs) for chemical products list their ingredients. The MSDS for a citrus-based cleaner should list D-Limonene among the ingredients. D- Limonene is in the terpene family, which includes citrus and pine oils. Terpenes are generally not corrosive or harmful to metals or most plastics and polymers. Terpenes won’t cause rusting, pitting, etching, or staining. Citrus-based terpenes can dissolve heavy petroleum greases and residues in about 30 Figure 1—Citrus-based cleaners are commonly used in residential and minutes when they are used at ambient temperatures. commercial settings, but users often are unaware of the difference between citrus oil-based cleaning products and water-based products. A citrus oil-based cleaning product will not cause corrosion these products can cause corrosion or rust, others do not. The or rust. Such products are made from the oil found in the difference is based on the ingredients. Hundreds of cleaning orange peel, rather than the pulp and juice of the orange. -
Factors Affecting the Rate of Maturation of Citrus Fruits
Proc. Fla. State Hort. Soc. 97: 40-44.1984. FACTORS AFFECTING THE RATE OF MATURATION OF CITRUS FRUITS Dan A. Kimball1 one sample a day for every day that fruit was received California Citrus Producers, Inc., from that particular packinghouse, and correlated with P. O. Box C, the accumulated temperatures (F°) during a given period. Lindsay, CA 93247 Climatic data were obtained from Lindsay-Strathmore Ir rigation District, which is centrally located in Tulare Additional index words, heat, navel, 'Valencia', limonin, county's citrus belt. Crop data were obtained from the Brix, acid. Tulare County Agricultural Commissioner's office. Limonin analyses were done by mixing reconstituted juice with Abstract. 'Washington navel' and 'Valencia' [Citrus sinensis diatomaceus earth, extracting with five 30-ml portions of (L.) Osb.] sample data (Brix/acid ratios) from routine pro chloroform using vacuum filtration, and evaporating the cessing plant tests were correlated directly with local climatic filtrate in a rotary evaporator. The flask from the rotary data throughout 7 seasons in California to yield linear re* evaporator was rinsed with several 2 ml portions of chloro lationships with r2 factors of 0.96 or better for navels. The form and analyzed, using a Perkin Elmer series 10 HPLC y-intercepts and slopes were found to strongly correlate with pump, LC-75 UV detector set at 210 nm, and a model R100 the accumulated maximum heat from the first 4 months after chart recorder. A CN column and precolumn were used bloom, crop load, and tree growth with r2 factors of 0.96. with a solvent system consisting of ethylene glycol mono- Equations were derived to enable (Brix/acid) ratio prediction. -
Book of Abstracts
Book of Abstracts VI International Conference on Environmental, Industrial and Applied Microbiology – BioMicroWorld2015 Barcelona (Spain), 28-30 October 2015 VI International Conference on Environmental, Industrial and Applied Microbiology - BioMicroWorld2015 VI International Conference on Environmental, Industrial and Applied Microbiology - BioMicroWorld2015 Barcelona (Spain), 28-30 October 2015 Barcelona (Spain), 28-30 October 2015 Effect on Metaresistome and metabolic profile (CLPP) soil bacterial communities of different 30 Introduction XXIII agricultural management in Vitis vinifera plots Plenary Lectures XXIX Effects of Inorganic Fertilizers and Organic Manure on Cyanobacteria of Paddy Fields 31 Endophytic bacteria isolated from two varieties of Oryza sativa cultivated in southern Brazil. 32 Session 1: Agriculture, soil, forest microbiology 1 Evaluation of the biological activity of extracts obtained from bacteria associated with nematodes 33 1-Aminocyclopropane-1-carboxylate deaminase producing bacteria promote wheat growth under 2 against Leaf Cutting Ants Atta cephalotes Linnaeus (Hymenoptera Formicidae) water stress Exploration of microorganisms associated with insects, searching for active substances produced 34 454-Pyrosequencing reveals high and differential level of fungal diversity in the Oasis farming 3 from bacteria system in Oman Functional traits of endophytic and rhizosphere fungi and bacteria of Butia archeri Glassman roots 35 A new Cryphonectria hypovirus 1 subtype found in Portugal 4 Genetic tools for site-specific -
Evaluation of Antimicrobial Potential of Different Commercial Grapefruit Seed Extracts
EVALUATION OF ANTIMICROBIAL POTENTIAL OF DIFFERENT COMMERCIAL GRAPEFRUIT SEED EXTRACTS Belmina Saric*1, Irma Mahmutović-Dizdarević2,3, Ana Gutalj2, Anesa Jerković-Mujkić2 Address(es): Belmina Saric, MSc, 1University of Sarajevo, Institute for Genetic Engineering and Biotechnology, Zmaja od Bosne 8, 71000 Sarajevo, Bosnia and Herzegovina, +38762600168. 2University of Sarajevo, Faculty of Science, Department of Biology, Laboratory for Microbiology, Zmaja od Bosne 33-35, 71 000 Sarajevo, Bosnia and Herzegovina. 3 University of Sarajevo, Faculty of Science, Department of Biology, Laboratory for Research and Protection of Endemic Resources, Zmaja od Bosne 33-35, 71 000 Sarajevo, Bosnia and Herzegovina. *Corresponding author: [email protected] https://doi.org/10.15414/jmbfs.4213 ARTICLE INFO ABSTRACT Received 13. 1. 2021 Extracts made from grapefruit (Citrus x paradisi Macfad.) seed are recognized for strong bactericidal and fungicidal properties. Revised 16. 2. 2021 Bacterial resistance to antibiotics is an emerging issue, and therefore isolation and characterization of novel antimicrobials of natural Accepted 16. 2. 2021 origin represent the real challenge for investigators worldwide. The aim of this study was to evaluate the antimicrobial activity of three Published 1. 8. 2021 commercial GSE (Grapefruit Seed Extract) products against six bacterial and one fungal strain, through the agar well diffusion method, determination of minimum inhibitory concentration (MIC), minimum bactericidal concentration (MBC), and minimum fungicidal concentration (MFC). Obtained results indicate strong antimicrobial effects of investigated extracts, with different microbial Regular article susceptibility, including the multidrug-resistant (MDR) bacteria. The highest inhibitory potential is conducted for Citrofit®, while CitroBiotic® has shown the weakest effect. These results are in concordance with the obtained MIC and MBC values. -
Improvement of Subtropical Fruit Crops: Citrus
IMPROVEMENT OF SUBTROPICAL FRUIT CROPS: CITRUS HAMILTON P. ÏRAUB, Senior Iloriiciilturist T. RALPH ROBCNSON, Senior Physiolo- gist Division of Frnil and Vegetable Crops and Diseases, Bureau of Plant Tndusiry MORE than half of the 13 fruit crops known to have been cultivated longer than 4,000 years,according to the researches of DeCandolle (7)\ are tropical and subtropical fruits—mango, oliv^e, fig, date, banana, jujube, and pomegranate. The citrus fruits as a group, the lychee, and the persimmon have been cultivated for thousands of years in the Orient; the avocado and papaya were important food crops in the American Tropics and subtropics long before the discovery of the New World. Other types, such as the pineapple, granadilla, cherimoya, jaboticaba, etc., are of more recent introduction, and some of these have not received the attention of the plant breeder to any appreciable extent. Through the centuries preceding recorded history and up to recent times, progress in the improvement of most subtropical fruits was accomplished by the trial-error method, which is crude and usually expensive if measured by modern standards. With the general accept- ance of the Mendelian principles of heredity—unit characters, domi- nance, and segregation—early in the twentieth century a starting point was provided for the development of a truly modern science of genetics. In this article it is the purpose to consider how subtropical citrus fruit crops have been improved, are now being improved, or are likel3^ to be improved by scientific breeding. Each of the more important crops will be considered more or less in detail. -
Citrus Spp.) Peel Utilization: a Review
Plant Archives Volume 21, No 1, 2021 pp. 99-109 e-ISSN:2581-6063 (online), ISSN:0972-5210 Plant Archives Journal home page: www.plantarchives.org DOI Url: https://doi.org/10.51470/PLANTARCHIVES.2021.v21.no1.012 RECENT TRENDS IN CITRUS (CITRUS SPP.) PEEL UTILIZATION: A REVIEW Harjinder Kaur and Gurpreet Singh Department of Horticulture, School of Agriculture, Lovely Professional University, Phagwara,Punjab (114441), India *E-mail: [email protected] (Date of Receiving-14-09-2020 ; Date of Acceptance-08-12-2020) Citrus fruits are a widespread fruit crop and belong to the Rutaceae family. Citrus fruits include orange, tangerine, lime, lemon, sour orange and grapefruit. Citrus fruits are not only used for table purposes, but also in processing industries to make value added products such as marmalade, jams, juice, jellies, etc. which leads to the generation of waste into peel (rind) and seeds. The main fruit waste i.e. peels and seeds. The peel (skin) can be used for the preparation of sweets (candies). The use of citrus peel will not only improve the utility, but also serve to reduce the pollution load on the environment. It is nutritionally fortified with ascorbic acid, vitamin B, calcium, phosphorus, and other beneficial compounds essential for overall health. Citrus peels are enriched with pectin, cellulose and hemicelluloses, bioactive compounds and other compounds beneficial to health. The moisture content of the ABSTRACT fresh citrus peels was 89.49% and the acidity in terms of citric acid was 0.40%. The ascorbic acid content was 87.49 mg / 100 g. The bitterness that prevails in citrus peels has limited its added value, demand and relevance. -
Effect of Citrus Fruit (Sudachi) Juice on Absorption of Calcium
Food Sci. Technol. Res., +, (+), ,1ῌ-*, ,**0 E#ect of Citrus Fruit (Sudachi) Juice on Absorption of Calcium from Whole Small Fish in Healthy Young Men +ῌ , , + - . Yoshitaka NII , Takamasa OSAWA , Daisuke KUNII , Kazuhiro FUKUTA , Kentaro SAKAI , Maki KONDO and , Shigeru YAMAMOTO + Food Technology Division, Tokushima Prefectural Industrial Technology Center, ++ῌ, Nishibari, Saika-cho, Tokushima 11*ῌ2*,+, Japan , Department of International Public Health Nutrition, Institute of Health Biosciences, The University of Tokushima Graduate School, -ῌ+2ῌ+/ Kuramoto-cho, Tokushima 11*ῌ2/*-, Japan - Department of Nutrition and Health Promotion, Faculty of Human Life Science, Hiroshima Jogakuin University, .ῌ+-ῌ+ Ushita- Higashi, Higashi-ku, Hiroshima 1-,ῌ**0-, Japan . Faculty of Human Life Science, Shikoku University, +,-ῌ+ Ebisuno, Furukawa, Ojin-cho, Tokushima 11+ῌ++3,, Japan Received July +, ,**/; Accepted January ,/, ,**0 Shirasuboshi (boiled and semi-dried whitebait) is a processed seafood that is abundant in calcium. It is eaten whole and commonly consumed in Japan. In this study, we examined the e#ect of Sudachi (Citrus sudachi Hort. ex. Shirai) juice on calcium, magnesium and phosphorus bioavailability in healthy young men. Dried shirasuboshi powder treated with distilled water (C) or sudachi juice (S,*) was prepared for use in two experimental diets, the control diet and the sudachi diet. Either S,* or C was added to a basal diet with a low calcium content (+2* mg/d). The basal diet and the two experimental diets were each consumed for 0 d by six healthy young men according to a randomized and crossover design. The apparent absorp- tion and retention of calcium, magnesium and phosphorus from shirasuboshi were determined and were found to be significantly higher in the sudachi diet than in the control diet. -
Japanese Citrus Fruit (Sudachi) Juice Is Associated with Increased Bioavailability of Calcium from Whole Small Fish and Suppressed Bone Resorption in Rats
J Nutr Sci Vitaminol, 50, 177-183, 2004 Japanese Citrus Fruit (Sudachi) Juice Is Associated with Increased Bioavailability of Calcium from Whole Small Fish and Suppressed Bone Resorption in Rats Yoshitaka NIT1, Kazuhiro FUKUTA1, Kentaro SAKAI2 and Shigeru YAMAMOTO3 1Food TechnologyDivision , TokushimaPrefectural Industrial TechnologyCenter, Tokushima770-8021, Japan 2Department of Nutrition and Health Promotion, Faculty of Human Life Science,Hiroshima Jogakuin Univer sity, Hiroshima 732-0063, Japan 3Department of Nutrition, School of Medicine,The University of Tokushima, Tokushima770-8503, Japan (Received October 11, 2003) Summary Shirasuboshi (boiled and semi-dried whitebait) is a processed fish food that con tains abundant calcium. It is eaten whole and commonly consumed in Japan. In this study, the effect of sudachi (Citrus sudachi) juice on calcium, magnesium and phosphorus bioavail ability, and bone metabolism in rats was examined. After 14 d of diets low in calcium and phosphorus, male Sprague-Dawley rats were fed shirasuboshi diets containing dried shira suboshi powder treated with 20% (S20) or 40% (S40) sudachi juice, or distilled water (C) (0.5% Ca; 0.3% P) for 14 d. The apparent absorptions and retentions of calcium, magne sium and phosphorus from shirasuboshi were determined. Bone formation was calculated by measuring serum osteocalcin, and bone resorption by measuring urinary pyridinoline and deoxypyridinoline. The apparent absorption and retention of calcium and magnesium in the S20 group were significantly higher than in the C and S40 groups. Although serum osteo calcin was not affected by the addition of sudachi juice, the urinary pyridinoline and deoxy pyridinoline concentrations in the S40 group were significantly lower than in the C and S20 groups. -
1,2,3,5,6,8,10,11,16,20,21 Citric Acid Cycle Reactions
Overview of the citric acid cycle, AKA the krebs cycle AKA tricarboxylic acid AKA TCA cycle Suggested problems from the end of chapter 19: 1,2,3,5,6,8,10,11,16,20,21 Glycogen is broken down into glucose. The reactions of glycolysis result in pyruvate, which is then fed into the citric acid cycle in the form of acetyl CoA. The products of the citric acid cycles are 2 CO2, 3 NADH, 1 FADH2, and 1 ATP or GTP. After pyruvate is generated, it is transported into the mitochondrion, an organelle that contains the citric acid cycle enzymes and the oxidative phosphorylation enzymes. In E. coli, where there are neither mitochondria nor other organelles, these enzymes also seem to be concentrated in certain regions in the cell. Citric acid cycle reactions Overall, there are 8 reactions that result in oxidation of the metabolic fuel. This results in reduction of NAD+ and FAD. NADH and FADH2 will transfer their electrons to oxygen during oxidative phosphorylation. •In 1936 Carl Martius and Franz Knoop showed that citrate can be formed non-enzymaticly from Oxaloacetate and pyruvate. •In 1937 Hans Krebs used this information for biochemical experiments that resulted in his suggestion that citrate is processed in an ongoing circle, into which pyruvate is “fed.” •In 1951 it was shown that it was acetyl Coenzyme-A that condenses with oxaloacetate to form citrate. 1 The pre-citric acid reaction- pyruvate dehydrogenase Pyruvate dehydrogenase is a multi-subunit complex, containing three enzymes that associate non-covalently and catalyze 5 reaction. The enzymes are: (E1) pyruvate dehydrogenase (E2) dihydrolipoyl transacetylase (E3) dihydrolipoyl dehydrogenase What are the advantages for arranging enzymes in complexes? E. -
Analysis of Nutritional Constituents in Twenty Citrus Cultivars from the Mediterranean Area at Different Stages of Ripening
Food and Nutrition Sciences, 2012, 3, 639-650 639 http://dx.doi.org/10.4236/fns.2012.35088 Published Online May 2012 (http://www.SciRP.org/journal/fns) Analysis of Nutritional Constituents in Twenty Citrus Cultivars from the Mediterranean Area at Different Stages of Ripening Almudena Bermejo*, Antonio Cano Citriculture and Vegetable Production Department, Instituto Valenciano de Investigaciones Agrarias (IVIA), Valencia, Spain. Email: *[email protected] Received February 16th, 2012; revised March 14th, 2012; accepted March 22nd, 2012 ABSTRACT Twenty Citrus cultivars grown in the Mediterranean climate were analysed at different stages of fruit maturity to deter- minate changes in organic acids, vitamin C and sugars. High-performance liquid chromatographic methods were used to identify and quantify of these compounds. The influences of variety, rootstocks and different stages of fruit maturity were observed. Generally, the vitamin C content was higher in varieties grafted on Troyer citrange that the correspond- ing cultivars grafted on Cleopatra mandarin. At commercial harvest stage, lemons, clementine mandarins and sweet oranges, showed the highest concentrations of vitamin C; citrons, limes and lemons, the higher amounts of organic ac- ids; and mandarins and hybrids the highest amounts of sugars. Since sugars and acids played an important role in fruit flavor and their nature and concentration largely affect taste characteristic and organoleptic quality, we hope to relate genotypes and differences in final fruit quality. We have found clear differences in the content of sugars, ascorbic and organic acids for the different groups in agreement with the Citrus classification. Also climatic and cultural factors have affected to fruit quality, and anticipate or delay the collection generally results in a loss of bioactive compounds. -
All About Calcium Supplements
ALL ABOUT CALCIUM SUPPLEMENTS Calcium supplements offer a convenient alternative to women (and men) unable to consume enough calcium from diet alone. They vary in type of calcium salt, calcium content, formulation, price, and absorbability. TYPES OF CALCIUM SUPPLEMENTS The two most often used calcium supplement types contain either calcium carbonate or calcium citrate, but a wide variety of calcium salts is found in calcium supplements, including calcium acetate, calcium citrate, calcium gluconate, calcium lactate, and calcium phosphate. Calcium is also available in bone meal (calcium phosphate) as well as dolomite or oyster shell (both calcium carbonate) supplements. Calcium supplements also vary by price. Calcium carbonate products are typically less expensive than most other types of calcium supplements. RECOMMENDED CALCIUM LEVELS Recommended calcium levels refer to “elemental calcium”. Different calcium salts may contain different percentages of elemental calcium. Calcium carbonate provides the highest percentage (40%); thus, 1,250 mg of calcium carbonate provides 500 mg of elemental calcium. Calcium citrate (tetrahydrated form) contains 21% elemental calcium; 2,385 mg of calcium citrate provides 500 mg of elemental calcium. All marketed calcium supplements list the elemental calcium content. CALCIUM FORMULAS Various formulations of calcium supplements are available, including oral tablets, chewable tablets, dissolvable oral tablets, and liquids. Another formulation for individuals with difficulty swallowing is an effervescent calcium supplement, typically calcium carbonate combined with materials such as citric acid that facilitate dissolving in water or orange juice. ABSORBABILITY Absorbability is also a concern. Calcium carbonate and calcium citrate are equally well absorbed if taken with meals, the normal way of assimilating any nutrient. -
(4) Determination of Organic Acids in Fruit Juices by UPLC.Cdr
International Journal of Life Sciences 9 (5) : 2015; 41 - 44 Founded 2007 An Independent, Open Access, Peer Reviewed, Non-Profit Journal International Journal of InternationalInternational JournalJournal ofof LifeLife SciencesSciences ISSN 2091-0525 website: http://nepjol.info/index.php/IJLS/index ifeSciences LCopyright © International Journal of Life Sciences Research Article Determination of Organic Acids in Fruit juices by UPLC Fereshteh Khosravi1*, Nahid Rastakhiz1, Behzad Iranmanesh2, Seyyed Sina Seyyed Jafari Olia3 1Department of Chemistry, Kerman Branch, Islamic Azad University, Kerman, Iran. 2Department of medicine, shahid beheshti University,Tehran, Iran. 3Department of Civil Engineering, Islamic Azad University, Kerman Branch. Article Information ABSTRACT Key words: A reversed phase UPLC method for separation and quantification of organic acids (oxalic, citric, Organic acids; tartaric, malic and ascorbic and lactic acids) in fruit juices was developed. The chromatographic UPLC; Fruit separation was performed with a Surveyor Thermo Electron system at 10°C by using a potassium dihydrogen orthophosphate buffer (pH3.1) as mobile phase, an Hypersil Gold a Q Analytical Column and diode array detection at λ=254 nm for ascorbic acid and λ=214 nm for the other organic acids. Organic acid profiles of seven species of fruits: sweet orange, white and red apple, lemon, lime, white and pink grape fruit were established. Species significantly affect the organic acid distribution of fruit juices. In all juices, the most abundant organic acid was citric acid, ranging from 5.22to 62.42g/l. Fruit juices are good sources of ascorbic acid (0.137-0.625g/l). The average ascorbic acid was the highest in lemon juice followed by sweet orange juice, sweetie and white grapefruit.