Vitamin D2 in fat emulsion was extracted completely with tert-butylmethylether.
采用ALLTEC LiChrospher Si60色谱柱,以正己烷/异丙醇为流动相,通过叔丁基甲醚对维生素D2进行萃取,直接进行HPLC分离,对脂肪乳剂中维生素D2进行准确地测定。
Ergosterol can be inverted into precursor of vitamin D2 under ultraviolet radiation, then it undergoes isom-erization to form vitamin D2 by thermal dehydrogenation.
麦角固醇在紫外线照射下可转化为维生素D2前体,加热异构失去两个氢原子得到VD2,是生产VD2、氢化可的松、黄体酮和芸苔素内酯的原料,市场需求呈上升趋势。
OBJECTIVE: To establish a HPLC method for the simultaneously determination of Vitamin D2, Vitamin A and Vitamin E in Cernevit-12 for injection.
目的:建立以高效液相色谱法同时测定注射用12种复合维生素中维生素D2、维生素A与维生素E含量的方法。
A method of transforming ergosterol into vitamin D 2 is introduced.
采用生长周期短 ,易于工业化生产的酵母为实验菌株 ,以糖厂副产物甜菜糖蜜为主要原料 ,通过发酵工程技术细胞内合成麦角甾醇 ,经中波紫外线照射直接转化为维生素D2 酵母。
A new method for determining Vitamin D 2 in microdot capsule by RP-HPLC was proposed.
采用反相高效液相色谱法测定维生素D2 微粒胶囊中VD2 的含量。
Objective: To prepare the inclusion compound of Vitamin D 2 and to study its stability and solubility.
目的 :制备维生素D2 - β-环糊精包合物并考察其稳定性和水溶性。
Ergosterol activated by ultraviolet irradiation; vitamin D2.
导钙醇经由紫外光线活化处理的麦角脂醇；维生素D2
Food additive--Vitamin D2(Ergocalciferol)
GB14755-1993食品添加剂维生素d2(麦角钙化醇)
rich in vitamins A, B, and C.
富含维生素a，B，C。
vitamin A, B, C, etc
维生素a、 B、 C等
high in vitamin C
维生素c 丰富的
deficiency disease
维生素(等)缺乏病
provitamin A carotenoid
原维生素Ａ类胡萝卜素
It contains vitamin A and vitamin C.
它里面含维生素A和维生素c。
Containing many vitamins.
多种维生素的包含许多维生素的
"Fat-soluble vitamins (vitamin A, vitamin D, vitamin E, and vitamin K) require Bile salts for absorption and are stored in the Body."
脂溶性维生素(维生素A、维生素d、维生素E、维生素K)需要胆盐才能被吸收,并储存在体内。
Changes of prostaglandin D2 receptor on T cells in peripheral blood of children with asthma
哮喘患儿外周血T淋巴细胞上前列腺素D2受体改变研究
Effects of quercetin on proliferation and Cyclin D2 gene expression of HepG2 cells
槲皮素对HepG2细胞增殖及Cyclin D2基因表达影响的观察
Determination of Vitamin B_1 and Vitamin B_6 in Oryzaol Vitamin B_1 and Vitamin B_6 Tablets by HPLC
HPLC法测定谷维素双维B片中维生素B_1和维生素B_6的含量
a plastic made from cellulose (or a derivative of cellulose).
纤维素（或纤维素衍生物）制成的塑料。
There are no vitamins in sugar, no minerals and no fibre.
糖中不含任何维生素、矿物质和纤维素。
The Expression and Lymphangiogenesis Study of VEGF-D and D2-40 in Gastric Carcinoma
VEGF-D及D2-40在胃癌中的表达及与淋巴管生成关系的研究
Simultaneous Determination the Contents of Vitamin B_1 and Vitamin B_6 in Compound Vitamin B-calcium Pantothenate Oral Solution
复合维生素B泛酸钙口服溶液中维生素B_1和维生素B_6的含量测定
Research of Skin-care Cellulose Fiber Containing Vitamin E;
维生素E护肤纤维素纤维的制备及性能研究