2004•Guangxi nongye shengwu kexueRequires access

Bioactive effect of extracts from seed of Peganum harmala L.against Spodoptera litura F.

Zhong GuoHua

Abstract

Seeds of Peganum harmala L. were extracted with methanol,ethanol,acetone,chloroform,ethyl acetate,benzene and petroleum ester,and the extract rates were 23.91%,18.68%,17.80%,18.49%,14.31%,15.13% and 17.96%,respectively. The antifeedant rate of ethanol extract of the seed of P.harmala (ESPH) against 3rd-instar larvae of Spodoptera litura F. was 70.15% after 24h in no-choice test,and ranked the highest among the extracts. Petroleum ether,chloroform,N-butanol,water and total alkaloids extracts were partitioned from ESPH. Results showed that chloroform and total alkaloids extracts were more active than other extracts. Total alkaloids extracts possessed the strongest activity against growth S.litura larvae and chloroform extract ranked the second one.

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Key concepts: Peganum harmala, Spodoptera litura, Petroleum ether, Chloroform, Ethyl acetate, Chemistry, Ethanol, Acetone