Vitamin A, a fat-soluble alcohol, most abundant in fatty fish and especially in fish-liver oils. Vitamin A is also found in milk fat, eggs, and liver; synthetic vitamin A is added to margarine. Vitamin A is not present in plants, but many vegetables and
1 Vitamin D. By H.F. DeLuca. Pp.80. (Springer: Berlin, New York and Heidelberg, 1979.) DM29; $15. Article PDF Author information Authors and Affiliations Professor in the Department of Physical Biology and Section of Physiology, New York State College of Veterinary Medicine, Cornell Univers...
What are sources for vitamins? vitamin, any of several organic substances that are necessary in small quantities for normal health and growth in higher forms of animal life. Vitamins are distinct in several ways from other biologically importantcompoundssuch asproteins,carbohydrates, andlipids. Although...
Vitamin D, either derived from the diet or skin production, has become an increasingly important molecule in human function because of the extended longevity of human populations in many nations. The actual vitamin D requirements of elderly individuals remain difficult to determine because environmental...
Vitamin D intake was assessed by a 3-day estimated dietary record. Results : The main sources of dietary vitamin D were fish/fish products followed by eggs, fats/oils, bread/bakery products, and milk/dairy products. Differences in contributing food groups by sex, age, vitamin D status, and...
Beyond its established role in bone and mineral homeostasis, there is emerging evidence that vitamin D exerts a range of effects in skeletal muscle. Reports of profound muscle weakness and changes in the muscle morphology of adults with vitamin D deficiency have long been described. These reports ...
rickets,rachitis- childhood disease caused by deficiency of vitamin D and sunlight associated with impaired metabolism of calcium and phosphorus scorbutus,scurvy- a condition caused by deficiency of ascorbic acid (vitamin C) moon blindness,night blindness,nyctalopia- inability to see clearly in dim ...
Recently, the mitochondrial effects of vitamin D have been characterized in many cell types. In this article, we investigated the importance of VDR not only in mitochondrial activity and integrity but also in cell health. The silencing of the receptor in different healthy, non-transformed, and ...
B cells and monocytes.In vitrodata show that, in addition to modulating innate immune cells, vitamin D also promotes a more tolerogenic immunological status.In vivodata from animals and from human vitamin D supplementation studies have shown beneficial effects of vitamin D on immune function, in ...
structure-function relationship of vitamin D analogues through binding affinity for DBP and VDR in order to understand not only the detailed net work of the vitamin D3 endocrine system, but also the concept for the development of new drugs for treatment of osteoporosis, renal osteodystrophy and ...