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Pressurized liquid extraction of Tripterygiumw wilfordii polyglycosides andoptimization of extraction conditions

加压溶剂法提取雷公藤多苷及其条件优化



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Vol.35,Issue 1
January,2010
PressurizedliquidextractionofTripterygiumwwilfordipolyglycosidesand
optimizationofextractionconditions
YANGLei,LITong,ZUYuangang
(KeyLaboratoryofForestPlantEcology,MinistryofEducation,NortheastForestryUniversity,Harbin150040,China)
[Abstract] Objective  ToinvestigatetheextractionmethodofpolyglycosidesfromTripterygiumwilfordi.Method:Theextrac
tionmethodofpressurizedliquidextractionwasemployedandchromogeniccolorimetrictechniquewereusedforquantitativeanalysis.
Basedonthesingle-factorexperiment,accordingtothecentercombinationdesignthispaperusedthreefactorsandthreelevelsofre
sponsesurfacemethodologyforprocessoptimization.Result:Theoptimizedconditionswereasfolows:ratioofsolidtoliquidwas1∶9.5,
atthetemperatureof115℃ for80minutes,theactualextractratioandpurityofpolyglycosidesobtainedwere0.21% and0.52%,re
spectively.Conclusion:Themethodofpressurizedliquidextractionhasobviousadvantagesoverconventionalrefluxextracting.
[Keywords] Tripterygiumwilfordi;polyglycosides;pressurizedliquidextraction;responsesurfacemethodology
doi:10.4268/cjcmm20100109

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