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ID:39141423
大小:1.16 MB
页数:35页
时间:2019-06-25
《樟树和夹竹桃灭螺活性成分的提取与灭螺效果的分析》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、StudyontheextractionoftheactivecomponentsfromCinnamomumcamphoraandNeriumindicumandtheirkillingeffectsonOncomelaniahupensisAbstract:Snailisthesinglehostoftheschistosome.Killingthesnailisthekeymeantocontroltheschistosome.TlletraditionalmethodtocontrolthesnailiSthechemi
2、calmeans.However,touseplantsandtheirproductstokillthesnailhasbecomeoneoftheimportantmethodstocontrolthespreadofthedisease.WeanalyzedthemolluscicidalactivityofCinnamomumcamphoraandNeriumindicumfromsomeaspectsinthisthesis:theeffectsofkillingsnailsOncomelaniahupensisbyu
3、singsoakingliquidsandtheextractionoftheactivecomponentsfromthetWOplants,themechanismofkillingsnailsandtheinfluenceonfishes.Meanwhile,killingeffectsamongdifferenttemperaturesandtheeffectivecomponentsoncontrollingtheclimbingofahupensisw雠studied.娃hupensiswere如altwiththe
4、soakingliquids娃&惑妇}£theskinsofstemsandrootsQtC,camphoraandN,indicum.Theresultsshowedthatthesoakingliquidsofc.camphoraandⅣindicumhadevidentkillingeffectonD.hupensisaftertreatingforestablishedtime.Thesoakingliquidsofstemsandrootsat>O.5%concentrationcouldkill35%~100%ofn
5、hupensis.Whentreatedfor72hours。themortalityofj。IhupensisWaSupto7蕊~lO溉。Thesoakingliquidsof1%舳shstemsofecamphoraand挺indicumkiHed80%.85%&hupenMs.respectively,whennhupensiswastreatedfor72hours.Thesoakingliquidsof1%舭shrootsofCcamphoracouldkill100%ofnhupensiswhentre砒edfor7
6、2hours.Soakedbythesamekindofsoakingliquids,themortali移of娃hupensisrose蜥mincreasingoftheconcentration.Andwiththetreatir.timeprolongs,themortalityalsorose,Weobtainedaseriesofpartsofdifferentpolarityfromtwoplants.Thedose-effectandtime-effectweredeterminedbyregressionanal
7、ysis,andthedoseandtimeofLDs0and12)90werecalculated.Ourresearchshowedthatmostofplantextractshadmolluscidalactivitytosomedegree.Especiall弘methanolextract,hexyla鲫lextract,aetherextractofⅣindicumachievedLD908slOVFas64.57,81。28,93。33mg/L,whichreachedthestandardofeffecfive
8、-3.mollusicicidesofWHO.Meanwhile.becausetherewasnoobviouseffectofextractstopreventsnailsfromclimbingup。雠conceivedtheideaofsearching
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