منابع مشابه
Folic Acid Derivatives in Yeast.
Dried yeast has found wide acceptance as a rich source of protein and vitamin B, and has been successfully incorporated into many foods. Up to 2.5% dried yeast is frequently used in cereals and canned vegetables for infants and children. Lesser amounts are added to breads, cereals, soups, and other enriched products for adult consumption for both flavoring and nutritional purposes. The National...
متن کاملMicrobiologic determination of folic acid derivatives in blood.
By NATHAN GRossowlcz, Fu amnn MANDELBAUM-SHAVIT, Rosy DAVIDOFF AND J. ARONOVITCH F OLIC ACID (F.A. ) deficiency in man may be due to a variety of factors. The most important ones are considered to be unusually poor diets, faulty absorption of the vitamin from the intestinal tract, derangement in the intestinal flora resulting in low synthesis of the vitamin and faulty metabolism of the vitamin ...
متن کاملFolic Acid Derivatives Synthesized during Growth of Diplococcus Pneumonia.
Sirotnak, F. M. (Sloan-Kettering Institute for Cancer Research, New York, N.Y.), Gloria J. Donati, and Dorris J. Hutchison. Folic acid derivatives synthesized during growth of Diplococcus pneumoniae. J. Bacteriol. 85:658-665. 1963.-Under cultural conditions permitting synthesis of folic acid in an amount greatly in excess (20- to 30-fold) of that required for maximal growth of Diplococcus pneum...
متن کاملThe extraction of folic (pteroylglutamic) acid conjugate from yeast.
The conjugate of folic acid (pteroylglutamic acid, vitamin B,) in yeast was isolated by Pfiffner et al. (1) and determined to be pteroylhexaglutamyl glutamate (2). Recently this group has published details of the concentration of the conjugate (3). The present paper describes a simple method for producing a concentration of the conjugate of from 40to loo-fold by differential extraction of colum...
متن کاملFolic Acid
Introduction Folic acid, also known generically as folate or folacin, is a member of the B-complex family of vitamins, and works in concert with vitamin B12. Folic acid functions primarily as a methyl-group donor involved in many important body processes, including DNA synthesis. Therapeutically, folic acid is instrumental in reducing homocysteine levels and the occurrence of neural tube defect...
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ژورنال
عنوان ژورنال: Journal of Biological Chemistry
سال: 1965
ISSN: 0021-9258
DOI: 10.1016/s0021-9258(18)97301-1