Determination of the content of the deoxidize sugar in Leptopus Chinensis (Bunge) Pojark;
雀儿舌头中多糖含量测定
The root of Leptopus Chinensis was extracted with petroleum ether, chloroform and methyl alcohol by Sohxlet method.
为充分利用雀儿舌头这种杀虫植物资源,采用了不同的溶剂对雀儿舌头根中杀虫活性物质进行了提取,并分别对小菜蛾幼虫进行了拒食作用、生长发育抑制作用、胃毒作用、触杀作用、产卵忌避作用测定。
The root of Leptopus Chinensis was extracted with petroleum ether,chloroform and methyl alcohol by different methods.
为了充分利用雀儿舌头这种杀虫植物资源, 采用了不同的溶剂与方法对雀儿舌头根中杀虫活性物质进行了提取, 并对生物活性最强的氯仿提取物进行了萃取, 通过叶碟法测定了萃取物对小菜蛾幼虫的拒食作用。