英语语法分析

With the methods, the extraction rate of the effective component isorhamnetin in ginkgo leaves can reach 96.77 percent.

依上述方法，银杏叶中有效成分异鼠李素提取率可达96.77%。

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.

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。

Objective To establish a method for simultaneous determination of rutin, hyperin, isoquercitrin, 4,5-O-dicaffeoyl quinic acid and isorhamnetin-3-O-glucoside in Herba Artemisiae Capillariae.

目的建立同时测定茵陈中芦丁、金丝桃苷、异槲皮苷、4，5-O-二咖啡酰奎宁酸、异鼠李素-3-O-葡萄糖苷含量的方法，为茵陈药材的质量控制提供依据。