The ethanol extract from the twig bark powder of Periploca sepium was suspended in water and successively treated with petroleum ether, ethyl acetate and n-butanol.
将杠柳枝皮粉末的乙醇提取物悬浮于水后，依次用石油醚、乙酸乙酯和正丁醇萃取。
ResultsPetroleum ether extract and ethyl acetate extract both had some anticancer effects in vitro.
结果青天葵石油醚和醋酸乙酯部位具有一定的体外抗肿瘤作用。
In four extracts from PMEW treated with methyl alcohol and water, petroleum ether, chloroform and ethyl acetate, extract rate of methyl alcohol and water was the highest.
通过对PMEW萃取分离发现，在甲醇水、氯仿、石油醚和乙酸乙酯四种萃取物中仍以甲醇水的萃取率最高。
The petroleum ether extract gave 100% mortality in shortest time followed by ethyl acetate extract.
从作用时间上看，石油醚组分作用时间最短，乙酸乙酯组分次之；
The petroleum ether extract gave 100% mortality in shortest time followed by ethyl acetate extract.
从作用时间上看，石油醚组分作用时间最短，乙酸乙酯组分次之；
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