目的:研究山楂叶总黄酮中牡荆素鼠李糖苷的肠吸收机制。
AIM:To study the absorption mechanism of rhamnosylvitexin in hawthorn leaves flavonoids(HLF)in the rat intestine.
方法以薯蓣皂素为起始原料,采用逐步糖苷化策略,经10步反应制得目标化合物,总收率约为15%。
Methods Employing the stepwise glycosylation strategy, the target compounds were prepared via 10 steps of reactions using diosgenin as the starting material with an overall yield of 15%.
建立了HPLC法测定蒲黄总黄酮提取物中香蒲新苷(1)及异鼠李素-3-O-新橙皮糖苷(2)的含量。
HPLC method with gradient elution for determination of typhaneoside(1) and isorhamnetin-3-O-neohesperidoside(2) in total flavonoid extracts of Pollen typhae was established.
产物为乳白色,十二烷基糖苷总收率大于89%。
The total product yield is more than 89% and the product color is cream white.
总酚提 取物主要包括对羟基苯乙醇、3、4-二羟基苯乙醇、红景天苷以及以 其为母核的糖苷类化合物和其它衍生物。
The total phenol extract mainly contains hydroxyl mandelic, 3, 4-dihydroxy phenylethyl alcohol, salidroside and indicant compound and other derivatives with salidroside as the mother nucleus.
毛葡萄干红葡萄酒中主要的花色苷是花青素3-O-葡萄糖苷和花翠素3-O-葡萄糖苷,相对含量分别为49.2 %和42.5 %,这两种花色苷含量占总含量的90 %以上。
The main anthocyanins of Vitis quinquangularisis wine were Cy3-O-Gl and Dp3-O-Glu, the contents were 49.2 % and 42.5 %, which were more than 90 % of the total content.
毛葡萄干红葡萄酒中主要的花色苷是花青素3-O-葡萄糖苷和花翠素3-O-葡萄糖苷,相对含量分别为49.2 %和42.5 %,这两种花色苷含量占总含量的90 %以上。
The main anthocyanins of Vitis quinquangularisis wine were Cy3-O-Gl and Dp3-O-Glu, the contents were 49.2 % and 42.5 %, which were more than 90 % of the total content.
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