MedicinalPlant2011,2(4):58-60ProcessingofTraditionalChineseMedicineandQualityControlStudyonUltrasonicExtractionProcessofFlavonoidsfromLitchiPericarpTUHua*,CHENBi-qiong,ZHANGYan-junChemistryDepartment,LuzhouMedicalCollege,Luzhou,Sichuan646000,ChinaAbstract[Objective]Tooptimizetheultrasonicextractionprocessoftotalflavonoidsfromlitchipericarp.[Method]Thetotalflavnoidswasextrac-tedbyultrasonicmethod,andtheoptimumextractionprocesswasoptimizedwithorthogonaldesignbasedonsinglefactortest.[Result]Theopti-mumextractionconditionsofflavonoidsfromlitchipericarpwereasfollows:alcoholconcentrationof60%,solid-liquidratioof1∶50,extractingdura-tionof30min,extractionfortwice.Undertheseconditions,theextractionrateofflavonoidsreachedashighas28.18mg/g.[Conclusion]Ultrason-ictechnologyisconvenientandeffectivefortheextractionoftotalflavonoidsfromlitchipericarp,whichlaysfoundationforitsfurtherdevelopment.KeywordsLitchipericarp,Flavonoids,Ultrasonicextraction,Orthogonaltest,ChinaLitchichinensisSonn.(LitchiofSapindaceae)isanever-wereAR,werepurchasedfromChengduKelongChemistrygreenshrubthatmainlydistributesinGuangdong,Guangxi,Plant.Fujian,SichuanandTaiwanetc.subtropicalareas.Thereare1.1.3Maininstruments.RE52CS-1wasproducedbyShang-multiplenutrientsinL.chinensis,includingpectin,malicacid,haiYarongBiochemicalInstrumentsPlant;KQ5200Ultrasoniccitricacid,freeaminoacids,fructose,glucose,Fe,Ca,P,machinewasproducedbyKunshanUltrasonicInstrumentscarotene,VB1,VCandcrudefiber.LitchipericarpismainlyCo.,Ltd.;SP-1901UltravioletSpectrophotometerwaspro-composedofflavonoids,phenolicacidsandpolysaccharidesducedbyShanghaiSpectrumInstrumentsCo.,Ltd..etc.bioactivesubstances,andendowedwithhighmedicalval-1.2Methodsue.Flavonoidsworkefficientinanti-oxidation,anti-inflammato-1.2.1Plottingofstandardcurve.0.0280grutinstandardry,anti-mutagenandanti-tumor,thereforeresearchesonfla-substancewasweighedanddissolvedinto30%alcohol,thenvonoidsinthetreatmentofCCVDandcancerhavearousedbroughtto100ml,whichwasrutincontrolsolutionwithc...
