With the focus on Vitamin A and Carotenoids, this book includes the latest research in these areas and starts with an overview putting the compounds in context with other vitamins, supplementation and discussing the importance of beta-carotene. Details of the... (展开全部) 我来说两句 短评 ·...
carotenesirradiationpetroleumretinolvitamin DworkersThe author prepared an extract containing vitamin A by precipitating fresh carrot juice with neutral lead acetate and extracting the dried precipitate with petrol ether. Experiments on rats showed that 2.5 hundredths of a mgm. of the extract daily were...
Vitamin A and carotene. The vitamin A reserves of the human infant and child in health and disease 14. Vitamin A reserves were similarly determined at autopsy in livers of children under 15 years of age. Very little vitamin A was found in infants up to 4... JB Ellison,T Moore - 《Bio...
ALTHOUGH much had been written and much had been done nervertheless neither the Medical Research Council in Great Britain nor the National Research Council in the United States of America was in a position to give any definite answer when, at the beginning of the War, their respective ...
Carotene and vitamin A in animal nutrition.Carotene and vitamin A in animal nutrition.carotenesin vitroirradiationpropertiesretinolspectroscopyultraviolet radiationvitaminsThe results of Olcott and McCann (Abst. 2357, Vol. 1) and of Bowden and Snow (Abst. 916, Vol. 2), who claimed to have obtain...
Carotene and vitamin A Author links open overlay panelT. MooreShow more Add to Mendeley Share Cite https://doi.org/10.1016/0968-0004(81)90043-8Get rights and contentAccess through your organization Check access to the full text by signing in through your organization. Access through your ...
In spermatozoa, however, there was a trend for a decrease in vitamin content from 2.1 ± 0.8 to 0.2 ± 0.07 g/108. In the majority of cases -carotene was undetectable and, when present, the levels were much lower than those of vitamin A. The amounts of triiodothyronine and tetra...
Association of dietary consumption and serum levels of vitamin A and beta-carotene with bone mineral density in Chinese adults Background: Former studies suggested an adverse effect of hypervitaminosis A on bone health, while the effects of retinol and its precursor (beta-carotene)... Chen, ...
avitamin A(form natural beta-carotene and mixed carotenoids 4000lu 80%,vitamin C(as ascorbic acid , sodium ascorbate, calcium ascorbate, potassium ascorbate,zinc ascorbate, and ascorbyl palmitate)250mg 417%,vitamin D(as cholecalciferol)100lu 25%,vitaminE(as natural d-alpha-tocopheryl succinate)30...
The Placental Transmission and Fetal Storage of Vitamin A and Carotene in the Bovine Four different rations were fed to 29 Holstein and 4 Guernsey heifers during the last 60 days of their gestation periods. The rations were: wheat straw plu... AA Spielman,JW Thomas,JK Loosli,... - 《Jour...