Carotenoids as colorants and vitamin A precursors: by J. Christopher Bauernfeind

By J. Christopher Bauernfeind

Carotenoids as Colorants and nutrition A Precursors: Technological and dietary functions offers the appliance of carotenoids to meals and to the feed of animals, fowl, fish, and birds. This ebook discusses using carotenoids in medication, within the coloring of beauty and pharmaceutical items, and their special function as photoconductors.

Organized into 10 chapters, this publication starts off with an outline of the becoming choice for natural-type shades in nations world wide. this article then examines the aptitude point of use of assorted carotenoids in various meals. different chapters think of the kinds of carotenoids which are additional to the nutrition of aquatic animals, which may be chosen based on the species as a result of various biosynthetic features and anticipated ultimate pigment content material. This ebook discusses to boot the mechanisms that keep an eye on the assimilation and absorption of a few carotenoids. the ultimate bankruptcy bargains with decision of nutrition A value.

This e-book is a precious source for business chemists and aquaculturists.

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1974). Les colorants rouges d'origine naturelle. Fruits 29, 797-814. FAO/WHO Expert Committee on Food Additives (1976). "Specifications for the Identity and Purity of Some Food Colors, Flavor Enhancers, Thickening Agents, and Certain Other Food Additives," W H O Food Additives Series, No. 7, pp. 4 - 7 8 . , Geneva. "Food C o l o r s " (1971). C. Francis, F. J. (1969). Color and pigment content in fruits and vegetables. Food Technol. 23(1), 3 2 - 3 6 . Francis, F. J. (1970). Effect of color on acceptability of foods.

Abstr. Int. 35(9) 4494. Order No. 75-5997. Buckmire, R. , and Francis, F. J. (1976). Anthocyanins and flavonols of miracle fruit, synsepalum dulcificum schum. J. Food Sei. 4 1 , 1363-1365. Calvi, J. P . , and Francis, F. J. (1978). Stability of concord grape (V. lambrusca) anthocyanins in model systems. J. Food Sei. 43, 1448-1456. Chandler, Β. V. (1958), Anthocyanins of blood oranges. Nature {London) 182, 993. Chandler, Β. , and Clegg, Κ. M. (1970). Pink discoloration in canned pears. Role of tin in pigment formation.

S. 65 ß - A p o - 8 ' -carotenal is predominantly the trans isomer and contains not less than 96% and not more than the equivalent of 101% of C 3 0H 4 O and conforms to the specifica­ 0 tions given below Deep violet crystals with metallic luster; the articles of commerce may be solutions in oil, fat, or organic solvents, or waterdispersible forms such as powders or granules that are orange to red in color Food color 0 Purity tests Arsenic: Not more than 3 mg/kg Lead: Not more than 10 mg/kg Heavy metals: Not more than 20 mg/kg Sulfated ash: Not more than 0 .

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