Results 191 to 200 of about 371,861 (249)

Seasonal Fluctuations of Plastochromanol‐8 and α‐Tocopherol Amounts in the Leaves of Cecropia Trees

Journal of the American Oil Chemists' Society, EarlyView.
ABSTRACT Plastochromanol‐8 (PC‐8) is a homologue of γ‐tocotrienol with a longer side chain (eight instead of three isoprene units) and therefore also a representative of the tocochromanol (vitamin E) group. PC‐8 has been determined in various plants and seeds, with Cecropia sp. leaves showing unusually high levels.
Rosalie Ormos, Jörg Rau, Walter Vetter
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Vitamins

Pediatrics In Review, 2012
• Based on strong research evidence, all infants should receive 400 IU/day of vitamin D beginning in the first few days of age to prevent vitamin D deficiency and rickets. • Based on strong research evidence, children and adolescents age >1 year may require as much as 600IU/day of vitamin D.
Bryon, Lauer, Nancy, Spector
openaire   +2 more sources

Vitamin D: the sunshine vitamin

British Journal of Nursing, 2010
Vitamin D has recently attracted a considerable amount of media attention. This article investigates whether the notion of a widespread vitamin D deficiency is justified in the UK, and what effect it might have on the general populace. Also considered are which physiological systems vitamin D affects in addition to bone remodelling, as well as the ...
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[Vitamin A and vitamin E in dermatology].

Acta vitaminologica et enzymologica, 1985
Vitamin A is necessary to maintain the integrity and the differentiation of epithelia of the skin and adnexa. Evident deficiency of vitamin A in chronic diseases, malabsorption and liver affections may result in skin xerosis, follicular keratosis, and metaplasia of mucous membranes.
S. Menni, R. Piccinno
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When is a vitamin NOT a vitamin?

Nutrition & Food Science, 1984
Vitamin C is well known in a nutritional context for being one vital component of the mixed diet we all need for survival. But vitamin C also has value in influencing the organoleptic qualities of foods.
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Vitamins [Vitamines]

1973
Vitamines-zijn,in tegenstelling tot vetten, eiwitten en koolhydraten, een heterogene groep van verbindingen met geen enkele overeenkomst in chemische structuur. Toch worden de vitamines als één groep beschouwd, omdat zij alle organische verbindingen zijn, die in geringe hoeveelheden essentieel zijn voor een gezonde ontwikkeling van mens en/of dier ...
Haagsma, N., Schreurs, W.H.P.
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Vitamin A and Vitamin A Deficiency

2009
Vitamin A is an essential factor for development, growth, health and survival. Vitamin A (retinol, 1) and its chemically and metabolically related forms retinal (2) and retinoic acid (3) play essential roles in such diverse processes as vision and cell regulation.
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The Vitamins

Annual Review of Biochemistry, 1946
R A, DUTCHER, N B, GUERRANT
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Vitamins

Pediatrics In Review, 2006
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Conversion of retro-vitamin A to vitamin A in the vitamin A-deficient rat

Biochimica et Biophysica Acta, 1963
T N, VARMA, T K, MURRAY
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