On the other hand, the fat-soluble vitamins, vitamins A, D, E and K stay in the body for long periods of time and so there is no need to take foods containing them so often. 另一方面,维他命A、D、E和K这类脂溶维他命却能在人体里停留很长一段时间,因而就没必要经常地去服用含有脂溶性的食品。
Vitamin K: Any of several fat-soluble compounds essential for the clotting of Blood. A deficiency of vitamin K in the Body leads to an increase in clotting time. 维生素K:对凝血必需的几种脂溶性化合物。缺乏维生素K时会引起凝血时间延长。
Fat-soluble compounds like vitamins A, D, E and K and the antioxidant compounds called are less likely to leach out in water. 脂溶性化合物像维生素A,D,E和K,以及被称为抗氧化的类胡萝卜素的化合物是不太可能溶解在水中。
The fat-soluble vitamins ( A, D and E) seem to be impeded by the placenta. 似乎胎盘阻碍脂溶性维生素(a,D和E)的通过。
Any of several fat-soluble organic compounds having as a basis 17 carbon atoms in four rings; many have important physiological effects. 溶于脂肪的有机化合物,有个碳原子排列成四个环状,许多具有重要的生理作用。
To use the method of ultrasonic extraction to extract the fat-soluble components in radix salviae miltiorrhizae, the determination of cryptotanshinone, tanshinone I and tanshinone ⅱ A by RP-HPLC. 用超声法提取丹参饮片中的脂溶性有效成分,然后用反相高效液相色谱法同时测定丹参饮片中隐丹参酮、丹参酮Ⅰ和丹参酮ⅡA的含量。
METHODS The extraction process of fat-soluble ingredients was optimized with the extract yield, the yield of ether-soluble ingredients, and the identification of TLC ( semi-quantitative method) of the ferulic acid and Tanshinone ⅱ A as indexes. 方法以浸出物收率、醚溶物收率、丹参酮ⅡA及阿魏酸的TLC半定量为指标,考察醇溶性成分的提取工艺;
To provide guidance for the supplementation of fat-soluble vitamins, we reviewed the clinical researches on the safety of fat-soluble vitamins, including vitamin A, β-carotene, vitamin D, vitamin E, and vitamin K. 为了对脂溶性维生素的补充提供指导,本文综述了包括维生素A、β-胡萝卜素、维生素D、维生素E和维生素K在内的脂溶性维生素安全性方面的临床研究。
Chromatographic Behavior of Fat-soluble Vitamin in Reversed Phase Liquid Chromatography with Water-isopropanol Mobile Phase 液相色谱水-异丙醇体系测定脂溶性维生素A,D,E
Orthogonal design L9 ( 4) 3 was employed in the experiments. The results showed nutritional requirements of fat-soluble vitamin A, D3, E and K3 in the compound diet of Penaeus chinensis. 本试验应用正交设计L9(4)~3,研究了中国对虾对配合饵料中脂溶性维生素A、D3、E、K3的营养需要。
[ Objective] To explore the influence of water-soluble active principle ( salvianolic acid B) and fat-soluble active priciple ( tanshinone ⅱ A) on the functions of endothelial cells in rabbits with atherosclerosis. [目的]探讨丹参水溶性成分丹酚酸B和脂溶性成分丹参酮ⅡA对家兔动脉粥样硬化模型内皮细胞功能的影响,以寻找其作用靶点。
The fat-soluble ingredients are extracted from it by ethyl alcohol, in which mainly are Cryptotanshinone, Tanshinone ⅰ and Tanshinone ⅱ A. 丹参浸膏是丹参经乙醇提取的脂溶性成分,主要有隐丹参酮、丹参酮Ⅰ和丹参酮ⅡA三种。