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...
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 ...
Beta-carotene is converted by the body to vitamin A as needed. Vitamin A is essential for vision, growth, cellular differentiation and proliferation, and the integrity of the immune system.Beta-carotene is also a major component of the body's natural antioxidant defenses against free radicals ...
…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 natural vitamin sources...
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...
[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]
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...
intakes of lutein/zeaxanthin, B vitamins, zinc and docosahexaenoic acid but an increased risk with increased intakes of beta-carotene and vitamin E. These... Johnson,J Elizabeth - 《Current Opinion in Clinical Nutrition & Metabolic Care》 被引量: 69发表: 2010年 Relationships between different typ...
Beta-carotene - essential for vitamin A supply Beta-carotene is extremely important as a precursor (pro-vitamin) of vitamin A, which the body requires, for example, to keep immune defenses functioning well. The National Diet and Nutrition Surveys (NDNS) have shown that a large number of the...
β-Carotene (Provitamin A), a carotenoid compound, is a naturally-occurring vitamin A precursor. β-Carotene is a modulator ofreactive oxygen species (ROS), with antioxidant and antiinflammatory activities. β-Carotene may serve as an antioxidant or as a prooxidant, depending on its intrinsic pr...