英语语法分析

We have separated and purified the isoquercitrin from rutin by enzyme reaction.

研究了酶转化芦丁产物异槲皮甙的分离提纯。

Determined the purity by HPLC, it was found that the converting rate of isoquercitrin from rutin was about 70%, and the purity was more than 90%.

通过高效液相色谱检测纯度，结果表明异槲皮甙转化率为70%，纯度为90%以上。

The in vitro estrogenic activities of 11 protopanaxadiol type saponins, 4 protopanaxatriol type saponins, salidroside, rutin and isoquercitrin were tested by a recombinant yeast.

采用转基因酵母检测系统测定11种原二醇类人参皂苷、4种原三醇类人参皂苷、红景天苷、芦丁和异槲皮素的体外雌激素活性。