منابع مشابه
B-vitamins and exercise: does exercise alter requirements?
The B-vitamins (thiamin, riboflavin, vitamin B-6) are necessary in the energy-producing pathways of the body, while folate and vitamin B-12 are required for the synthesis of new cells, such as the red blood cells, and for the repair of damaged cells. Active individuals with poor or marginal nutritional status for a B-vitamin may have decreased ability to perform exercise at high intensities. Th...
متن کاملRequirements of different species for vitamins.
Comparative nutrition I43 The first is the mammalian male reproductive organs, especially the prostate gland and the sperm (Mawson & Fischer, 1952; Hoare, Delory & Penner, 1956) and a deficiency of zinc in the diet of the male rat leads to degeneration of the reproductive organs (Millar, Fischer, Elcoate & Mawson, 1958). The second is the pancreas, and this has been traced to the a-cells. The a...
متن کاملMethod for Evaluation of the Requirements of B-group Vitamins Using Tryptophan Metabolites in Human Urine
Tryptophan metabolism is directly involved with B-group vitamins such as vitamin B2, niacin, and vitamin B6, and indirectly with vitamin B1 and pantothenic acid. We evaluated the validity of requirements of B-group vitamins set by the Dietary Reference Intakes for the Japanese (DRI-J). We investigated the fate of dietary tryptophan in 10 Japanese adult men who ate the same diet based on DRI-J d...
متن کاملThe A.B.C. of Vitamins.—II
itself, and that liver, kidneys, heart, brain and sweetbreads make a useful change from a joint. As a source of vitamin A, cod-liver oil is our most valuable stand-by. The fame of cod-liver oil has undergone vicissitudes. It may have come to us from the Yikings. Belief in it waned, at times during the nineteenth century, and it became fashionable to regard extra butter as being just as good. Th...
متن کاملUrinary excretion of B-group vitamins reflects the nutritional status of B-group vitamins in rats
We have reported previously that the urinary excretion of B-group vitamins reflects recent dietary intakes of these vitamins. We also proposed reference values for the urinary levels of B-group vitamins for human subjects, and used these for evaluating human nutritional status. However, the question arises as to whether the urinary excretion of B-group vitamins in animals or human subjects decr...
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ژورنال
عنوان ژورنال: NIPPON SUISAN GAKKAISHI
سال: 1967
ISSN: 1349-998X,0021-5392
DOI: 10.2331/suisan.33.351