This paper reports the method of extraction of ricinine.UV and IR spectra of ricinine are studied by UV,IR spectrameter. 本文报导了蓖麻碱的提取方法，研究了它的紫外光谱和红外光谱。
The decrease in insecticidal effect of ricinine after modification indicated that the cyanogens group played an important role in insecticidal effect of ricinine. 蓖麻碱改性后杀虫作用下降表明氰基团在蓖麻碱的杀虫作用中起了很重要的作用。
