منابع مشابه
Betaine in human nutrition.
Betaine is distributed widely in animals, plants, and microorganisms, and rich dietary sources include seafood, especially marine invertebrates ( approximately 1%); wheat germ or bran ( approximately 1%); and spinach ( approximately 0.7%). The principal physiologic role of betaine is as an osmolyte and methyl donor (transmethylation). As an osmolyte, betaine protects cells, proteins, and enzyme...
متن کاملMeat in Human Nutrition
Food has been one of the basis of existence of Homo sapiens from the moment our species appeared on the face of the earth. Primitive man gathered leaves, roots, grubs, eggs of birds as well as pieces of raw meat left behind by bigger and stronger animals. The discovery of fire proved to be a major step in the way people lived and ate. The necessity of having the diet of meat and vegetables was ...
متن کاملBetaine accumulation and betaine-aldehyde dehydrogenase in spinach leaves.
Spinach leaf discs accumulated betaine when exposed to a mannitol solution of -20 bars. The accumulation was 12 micromoles per gram original fresh weight in a 24-hour period.Betaine-aldehyde dehydrogenase (EC 1.2.1.8) was assayed in various subcellular fractions prepared from spinach leaves, and it was found only in the soluble fraction. This cytosolic enzyme was purified 175-fold, and its prop...
متن کاملGoat Meat in Human Nutrition
Goat meat in human nutrition as a primary and supplementary nutrient source is presented in terms of the dist ribution of goats, production characteristics, composition and nutrient value of goat meat, muscle fat and processed goat meat. Man is a complex being living in a complex environment, under varyingdegrees of psychological and physical strain. The most severe and most common physical str...
متن کاملBetaine Monograph
Introduction Betaine (trimethylglycine), the trimethylated compound of the amino acid glycine, is an essential biochemical component of the methionine/homocysteine cycle. Betaine acts as a donor of methyl (CH 3 ) groups and, as such, is often used as a nutritional supplement to lower plasma homocysteine levels, and as a lipotropic; i.e., a substance that improves liver function. Betaine also he...
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ژورنال
عنوان ژورنال: The American Journal of Clinical Nutrition
سال: 2004
ISSN: 0002-9165,1938-3207
DOI: 10.1093/ajcn/80.3.539