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Changes in the contents of fat-soluble vitamins and provitamins during tempe fermentation

International Journal of Food Microbiology, 1998
The content and formation of fat-soluble vitamins and provitamins during tempe fermentation was studied with 14 different strains of Rhizopus sp. All strains investigated form carotenoids in small amounts during fermentation, but beta-carotene formation was only found in fermentations with six Rhizopus strains.
J, Denter, H J, Rehm, B, Bisping
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Simultaneous determination of fat-soluble vitamins and provitamins in milk by microcolumn liquid chromatography

Journal of Chromatography A, 2000
The fat-soluble vitamins A, D2, D3, E and K1, retinyl acetate, retinyl palmitate, tocopherol acetate, ergosterol and 7-dehydrocholesterol in milk were separated on a packed reversed-phase fused-silica microcolumn, and determined with UV detection. Conventional liquid chromatographic equipment was adapted for such purposes, providing a highly efficient ...
D B, Gomis   +2 more
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The Absorption Spectra of the Vitamins and Provitamins D1

Journal of the American Chemical Society, 1945
Wolfgang Huber   +2 more
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New Colorimetric Reaction of Vitamins D2 and D2 and Their Provitamins

Industrial & Engineering Chemistry Analytical Edition, 1945
Albert E. Sobel   +2 more
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Provitamin A and Vitamin C in the Genus Lycopersicon

Botanical Gazette, 1943
Tomatoes are a good source of both provitamin A (X-carotene) and vitamin C, and they are of greater value in human nutrition as a source of essential vitamins and minerals than as a source of energy. Studies here reported were made to determine the genetic variability in the contents of provitamin A and vitamin C of commercial varieties and related ...
Ralph E. Lincoln   +4 more
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Vitamin and provitamin a levels in epithelial cancers: A preliminary study

Nutrition and Cancer, 1990
A major physiological role of retinoids is the regulation of epithelial and epidermal cell differentiation. A total of 285 patients with clinically and histopathologically confirmed diagnosis of various carcinomas (untreated) were selected for the study.
P G, Ramaswamy   +3 more
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Genetic variation of carotenoids, vitamin E and phenolic compounds in Provitamin A biofortified maize

Journal of the Science of Food and Agriculture, 2016
AbstractBACKGROUNDBiofortified maize is not only a good vehicle for provitamin A carotenoids for vitamin A deficient populations in developing countries but also a source of vitamin E, tocochromanols and phenolic compounds, which have antioxidant properties.
Tawanda, Muzhingi   +5 more
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Establishment of a Method for Biosynthesizing Rare Vitamin Ds by Overexpressing the Neverland Protein in Silkworm (Bombyx mori) using Baculovirus.

Journal of Agricultural and Food Chemistry
Vitamin D is a fat-soluble vitamin with physiological effects that vary depending on differences in its side chains. However, rare forms of vitamin D (D4-D7) are poorly distributed in nature, making them difficult to obtain.
Sen Wang   +7 more
semanticscholar   +1 more source

Finding Food Sources of Vitamin A and Provitamin A

Food and Nutrition Bulletin, 2000
Food-based programmes have the potential to effect long-term and sustainable solutions to the problem of vitamin A deficiency. Dietary sources of vitamin A and provitamin A, including natural and fortified food, are multiple and include a variety of plants, animals, and their fats and oils.
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