Presents a letter to the editor concerning an article on the conversion of beta-carotene to Vitamin A published in the 2001 issue of 'Nutrition Reviews.' Enzymatic cleavage mechanism of beta-carotene; Physiologic importance of beta-carotene; Conversion of beta-carotene to retinal.Wolf...
The conversion of beta-carotene (provitamin A) to 2 molecules of vitamin A (retinol) is accelerated by thyroxine and hyperthyroidism, respectively. The characteristic yellow tint of the skin in hypothyroidism is due to hyper-beta-carotenemia. Both in hyper- and hypothyroidism in a retinol deficien...
Regarding the Conversion of β-Carotene to Vitamin a N Krinsky,RM Russell - The Oxford University Press 被引量: 0发表: 2009年 THE CONVERSION OF BETA-CAROTENE TO VITAMIN A ESTER BY RAT LIVER Isolated rat liver perfused with Krebs-Ringer bicarbonate buffer containing C 14 -labeled beta-carotene...
Carrots are hign in beta carotene,which is changed into vitamin A in the human body.Not getting enough vitamin A in your diet can affect your growth and can even lead to night blindness.Vitamin A is good for the retina -the part of theeye that "sees"the outside world and sends ...
[translate] a.Some studies indicate that beta-carotene, a substance(that) the body converts to vitamin A, may be the chief protective substance. . 有些研究表明那β -胡萝卜素,(身体) 转换成维生素A的物质,也许是首要防护物质。[translate]
a贵州省遵义市人 Guizhou Province Zunyi person [translate] avitamin A(form beta carotene and vitamin a acetate)(75% as natural beta carotene) 维生素A (形式β -胡萝卜素和维生素A醋酸盐) (75%作为自然β -胡萝卜素) [translate] 英语翻译 日语翻译 韩语翻译 德语翻译 法语翻译 俄语翻译 阿拉伯语翻译...
Cats Absorb β-Carotene, but It Is Not Converted to Vitamin A FJ Schweigert,R Jens,W Brigitta,... - 《Journal of Nutrition》 被引量: 0发表: 2002年 Cats Absorb β-Carotene but It Is Not Converted to Vitamin A1,2. Kienzle (2002); Cats Absorb beta-carotene but it is not converted to...
In vitamin: Sources …tissues or species; for example, beta-carotene, which can be converted to vitamin A, is synthesized in plant tissues but not in animal tissues. On the other hand, vitamins A and D3 (cholecalciferol) occur only in animal tissues. Both plants and animals are important ...
The meaning of BETA-CAROTENE is an isomer of carotene found in dark green and dark yellow vegetables and fruits.
carotenescarotenoidsfaecesratiosretinolvitamin A deficiencyvitamin deficienciesWIDE differences between the theoretically expected and experimentally obtained potencies of pure vitamin A as compared with β-carotene have led to a considerable amount of speculationon the possible manner of conversion of carotene...