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()20058,354,Aug.,2005,Vol.35,No.4JournalofNorthwestUniversity(NaturalScienceEdition):2004203222:(O4JC01):(19502),,,,,1,1,2,1,1(1.;2.,710069):,,30min,70%(),8mL/g,,:;;;:TQ028.96:A:10002274(2005)0420416203(GinkgobilobaL)[1,2],,,[37],,,,[6]11.1,;,;,;(Rutin),95%(),,;(HPLC),Waters1.2HPLC[5],:1):SymmetryC185m4.6mm150mm,5%()(91),1mL/min,3052):5mg,10mL,1.0,2.0,3.0,4.0,5.0,6.0,7.0,8.0,9.0,10.0L,AV(L),:A=1.10337106V+41498.84091,r=0.99869110L3):,HPLC,,1.3,[3],,,,,,100MPa,,,,,,10.437mm,2,3,,25mL,25mL,,,,11Tab.1FactorsoforthogonalexperimentsA/minB/%C/mL(g)-11231530456070804682,,33,21Fig.1Techniqueprocessoffavoniods2Tab.2ResultsoforthogonalexperimentsA/minB/%C/mLg-1/g/%11112.00700.254021222.00760.480631332.00070.590042122.00650.291252232.00090.748962311.99930.555173132.00960.346983211.99960.558893321.99870.7228I1.32460.89211.3679II1.59521.78831.4946III1.68251.86791.6858I/30.52920.29740.4560II/30.47170.59610.4982III/30.54280.62260.56190.08930.29630.10597144:3,,A2B2C3,(A2)30min,(B2)70%(),(C3)8mL/g,0.7489%,,BCA,,,28h,0.5200%0.8580%,0.9000%;75%()704h2,0.7000%0.7300%,,,,,,:[1],.[M].:,1999.[2]..[M].:,1986.[3],.[J].,2000,12(2):39241.[4]HASLERA,STICHERO,MEIERB.IdentificationanddeterminationoftheflavonoidsfromGinkgobilobaLbyHPLC[J].JChromatogr,1992,605:41.[5],,.[J].,1922,23(8):1222124.[6],,,.[J].(),2000,30(4):1302133.[7],,.[J].,2000,31(1):1012104.()ThetechnicalprocessforabstractingginkgolicflavoniodsbyultrasoundfromthetestaofGinkgobilobaLLIWen2hong1,WANGFeng1,LIDuo2wei2,GAOLi2ya1,HANFeng1(1.CollegeofChemicalEngineering,NorthwestUniversity;2.CollegeofBiologicalScience,NorthwestUniversity,Xian710069,Chi2na)Abstract:AimToabtaintheoptimumoperationconditionsintechnicalprocessforextractingginkgolicflavoniodsfromthetestaofGinkgobilobaL.MethodsThetechnicalprocessforextractingginkgolicflavoniodsfromthetestabyultrasonitorwasstudiedandHPLCwasadoptedtodeterminetheproducts.ResultsItwastimeandlabour2sav2ing,convenientandwithhighefficiencycomparedwithtraditionalmethods.ConclusionTheratioof70%ethanoltothetestaofGinkgobilobaL.is81andtheultrasonicextractingtimeis30minutes.Theconcentrationoftheethanolhasthegreatestaffecttotheextractionprocess.Keywords:GinkgobilobaL;ltrasonicextraction;echnicalconditions;flavoniods814()35