Antifeedant diterpenoids against Tribolium castaneum from the stems and twigs of Ceriops tagal (Rhizophoraceae).

Antifeedant diterpenoids against Tribolium castaneum from the stems and twigs of Ceriops tagal (Rhizophoraceae).
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DOI:
10.3390/molecules16076060
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发表时间:
2011-07-20
期刊:
Molecules (Basel, Switzerland)
影响因子:
--
通讯作者:
Deng ZW
Deng ZW
中科院分区:
其他
文献类型:
--
作者:
Du SS;Wang CF;Li J;Zhang HM;Liu QZ;Liu ZL;Deng ZW

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对几种中国红树林植物的杀虫活性成分进行了筛选,结果表明,角果木茎和嫩枝的乙醇提取物对赤拟谷盗(Tribolium castaneum)具有显著的拒食活性。从乙醇提取物中,通过生物测定引导的分级分离,分离出三种拒食二萜。根据其植物化学和光谱数据,将化合物鉴定为塔格菌素A、B和H。Tagalsin A、B和H对T.板栗成虫的EC50值分别为375.3 ppm、277.3 ppm和285.45 ppm。
The screening of several Chinese mangrove plants for insecticidal principles showed that ethanol extract of Ceriops tagal stems and twigs possessed significant feeding deterrent activity against the red flour beetle, Tribolium castaneum (Family: Rhizophoraceae). From the ethanol extract, three feeding deterrent diterpenoids were isolated by bioassay-guided fractionation. The compounds were identified as tagalsin A, B, and H on the basis of their phytochemical and spectral data. Tagalsin A, B, and H exhibited strong feeding deterrent activity against T. castaneum adults with EC50 values of 375.3 ppm, 277.3 ppm, and 285.45 ppm, respectively.
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