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Wysłany: Śro 12:52, 16 Mar 2011 Temat postu: 超临界流体 |
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超临界流体萃取法去除当归中有机氯农药
82—183.[2]李玲,陈志强,李修禄.超临界流体萃取法在中药材质量控制中的应用[J].药学学报,1995,30(2):133—134.[3]张曙明,郭怀忠,陈建民.甘草中有机氯农药残留量的毛细管气相色谱测定[J].药学学报.2000.35(8):596—598.Studyonremoving0rgan0chl0rinepesticideinAn-gelicasinensis(Oliv.)Dielsbysupercriticalfluidextraction.determination-WANShao-hui,ZHAOChun-iie2,XUMei,FENGLing-lir~,YUEShu-mei,LIHuan_xin~(1.SchoolofPharmacy,HenanUniversityofPharmacology,Kaifeng475001,China;2.SchoolofPharmacy。ShenyangPharmaceuticalUniversity,Shenyang110016,China;3.PFirstHospi·tal0厂Knifeng,Kaifeng475001,Cina)Abstract:0bjectiveToremoveresiduesoforganochlorinepesticideinAngelicasinensis(0liv.)Diels.MethodsTheorganochlorinepesticideinAngelicasinensis(oliv.)DielswasextractedwithsupercriticalCo,fluidextrction。theresiduesoftheorganochlorinepesticideweredeterminedbeforeandafterextractionbycapillarygaschromatography,theremovalratewascalculated,meanwhilethechangesoftheferulicacidandtherelatedcompositionsweredetermined.ResultsThebestextractionconditionsselectedbyorthogo.nalitydesignI(3)werepressure15MPa,temperature60℃,theextractingtimefor20min,flowingspeed1.5mI/min。theremovalrateoftheorganochlorinepesticide95.1%(RSD:2.6%).TherelativecontentsofferulicacidinAngelicasinensis(oliv.)Dielswas103.5%,andnoremarkablechangetookplaceintherelatedcompositions.ConclusionTheapproachiSsimple.convenientandstableandtheremovalrateiShighandthecontentsofeffectivecompositionshavenonoticeablechange.Keywords:supercriticalfluidextraction;capillarygaschromatography;organochlorinepesticide;Angeli—casinens(0liv.)Diels
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