英语语法分析

Four compounds, namely 10 nonacosane, 24 methylenecycloartanol, stigmasterol and dacosterol have been isolated from the precipitate of the plant's methanol extract.

从月腺大戟根甲醇提取液的沉淀部分，鉴定了4种化合物，分别为二十九烷醇10、24亚甲基环阿尔廷醇、豆甾醇和达考甾醇。

It was also found to have sterol compounds like stigmasterol, campesterol and b-sitosterol.

还发现它含有甾醇，例如豆甾醇，菜油甾醇和 β-谷甾醇。

The solubility of different phytosterols in solvent is different, so stigmasterol -enhanced phytosterol can be prepared.

各个甾醇在不同的溶剂中的溶解度有所差异，可以通过多级分步结晶的方法实现分离。