英语语法分析

Studies on the optimum extraction process of flavonoids in the testa of Ginkgo biloba L. ;

目的：建立分光光度法测定银杏外种皮多糖的方法。

The result showed that under the SEM ornamentation of testa of species of the Juncaceae has 3types:longitudinal lined type;

结果表明：在扫描电镜下，本科植物种子表面纹饰有3种不同的类型，即网纹型、条状突起型和纵条纹型。

This review deals with the variation of testa luster as well as the mechanism of flavonoid biosynthesis in Arabidopsis thaliana .

在此，就拟南芥种皮的色泽变异及类黄酮生物合成机理作一介绍。