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时间:2018-04-16
《鬼臼毒素及4_去甲基鬼臼毒素对黄曲条跳甲的拒食活性研究》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库。
1、华南农业大学学报2014,35(4):67-70http:∥xuebao.scau.edu.cnJournalofSouthChinaAgriculturalUniversitydoi:10.7671/j.issn.1001-411X.2014.04.013赵慧,徐迪.鬼臼毒素及4'-去甲基鬼臼毒素对黄曲条跳甲的拒食活性研究[J].华南农业大学学报,2014,35(4):67-70.鬼臼毒素及4'-去甲基鬼臼毒素对黄曲条跳甲的拒食活性研究赵慧,徐迪(华南农业大学资源环境学院,广东广州510642)摘要:【目的】研究鬼臼毒素及其类似物对黄曲条跳
2、甲Phyllotretastriolata的拒食活性.【方法】从窝儿七RhizomaetRadixDiphylleiaeDiphylleiasinensisLi提取分离得到鬼臼毒素和4'-去甲基鬼臼毒素,并分别配制成500、1000、-12000、3000和4000μg·mL5种质量浓度,喂食黄曲条跳甲,比较不同浓度化合物在不同处理时间下对黄曲条跳甲的拒食率.【结果和结论】鬼臼毒素对黄曲条跳甲有显著的选择性拒食作用,且有一定持效性;4'-去甲基鬼臼-1毒素只在高质量浓度(4000μg·mL)下表现出选择性拒食活性,其他质量浓度无明显拒食作用.
3、从两者分子结构推测鬼臼毒素母核上的甲氧基是拒食活性的决定基团.关键词:窝儿七;鬼臼毒素;4'-去甲基鬼臼毒素;黄曲条跳甲;拒食活性中图分类号:Q965.8文献标志码:A文章编号:1001-411X(2014)04-0067-04Antifeedantactivitiesofpodophyllotoxinand4'-demethylpodophyotoxinagainsttheadultofstripedfleabeetles,PhyllotretastriolataZHAOHui,XUDi(CollegeofNaturalResourcesa
4、ndEnvironment,SouthChinaAgriculturalUniversity,Guangzhou510642,China)Abstract:【Objective】Antifeedantactivitiesofpodophyllotoxinand4'-demethylpodophyllotoxinagainsttheadultofstriedleafbeetlesPhyllotretastriolatawerestudied.【Method】Podophyllotoxinand4'-dem-ethylpodophyllotoxi
5、nwereextractedandseparatedfromChineseumbrellaleafrhizome.Theantifeedantactivitiesofpodophyllotoxinand4'-demethylpodophyllotoxinagainstP.striolataweremadeat500,-11000,2000,3000and4000μg·mLconcentrationsfor24hand48hrespectively.【Resultandconclusion】Podophyllotoxinshowedaselec
6、tiveantifeedanteffect,andtheactivitiesremainedunchangedastimeextended.Bycontrast,4'-demethylpodophyllotoxinhadnoobviousinfluenceonantifeedantactiv--1itiesexceptunderhighconcentration(4000μg·mL).Theindexesof4'-methylwerespeculatedtobethekeyfunctionalgrouptoaffecttheantifeeda
7、ntactivitiesaccordingtothemolecularstructuresofpo-dophyllotoxinand4'-hydroxypodophyllotoxin.Keywords:Chineseumbrellaleafrhizome;podophyllotoxin;4'-demethylpodophyllotoxin;Phyllotretastriolata;antifeedantactivity收稿日期:2013-11-25优先出版时间:2014-06-03优先出版网址:http:∥www.cnki.net/kcms/
8、doi/10.7671/j.issn.1001-411X.2014.04.013.html作者简介:赵慧(1977—),女,讲师,博士,E-mail:totom20
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