英语语法分析

The total lignans content of Dysosma versipellis is related to the habitat.

商品八角莲总木脂素含量则与产地有较大关系。

The group includes flavonoids, benzophenones, some coumarins, lignans, condensed tannins, and stilbenes.

这一组中包括黄酮类化合物，二苯甲酮、一些香豆素、木质素、缩合单宁和芪。

Objective: to establish a method for the content of total lignans in extract of pine needles of Pinus Massoniana Lamb.

目的：建立马尾松松针提取物中总木脂素的含量测定方法。