64APICULTUREOFCHINA金环胡蜂蜂房总黄酮提取工艺及抗氧化活性分析王振吉杨申明段德珊徐文丽杨依柯(楚雄师范学院资源环境与化学学院,楚雄675000)摘要:优化金环胡蜂蜂房总黄酮(Vespamandarinianidustotalflavonoids,VMNTF)的提取工艺,并分析其抗氧化性,为VMNTF产品的开发利用提供参考依据。在单因素试验基础上,以VMNTF提取率为评价指标,通过L9(34)试验优化VMNTF提取工艺条件,同时测定VMNTF对Fe3+还原能力、羟基自由基(·OH)、1,1-苯基-2-苦肼基自由基(DPPH·)的清除能力。结果表明:VMNTF最佳提取工艺条件为乙醇体积分数55%、超声温度60℃、液料比60:1(mL/g)、超声时间70min、纤维素酶用量2%,在此条件下VMNTF平均提取量为20.132mg·g-1;VMNTF质量浓度为0.0644mg·mL-1时,使Fe3+还原产生的吸光值为1.262,对·OH和DPPH·的清除率分别为94.46%和95.02%,并且Fe3+还原能力、清除·OH和DPPH·能力均强于阳性对照维生素C。VMNTF具有很强的抗氧化性,是一种具有极大开发前景的天然抗氧化剂。关键词:金环胡蜂蜂房;超声辅助;总黄酮;抗氧化活性ExtractiontechnologyandantioxidantactivityanalysisoftotalflavonoidsfromVespamandarinianidusWangZhenji,YangShenming,DuanDeshan,XuWenli,YangYike(DepartmentofResources,EnvironmentandChemistry,ChuxiongNormalUniversity,Chuxiong675000,China)Abstract:TheextractiontechnologyoftotalflavonoidsfromVespamandarinianidus(VMNTF)wasoptimized,anditsantioxidantactivitywasanalyzedtoprovidereferenceforthedevelopmentandutilizationofVMNTFproducts.Onthebasisofsinglefactortest,theextractionrateofVMNTFwasusedastheevaluationindex,andtheextractionconditionsofVMNTFwereoptimizedbyL9(34)test.TheremovalcapacityofVMNTFforFe3+reduction,hydroxylradical(OH),1,1-phenyl-2-picrylhydrazineradical(DPPH)wasalsodetermined.TheresultsshowedthattheoptimumextractingconditionsforVMNTFwereethanolvolumefraction55%,ultrasoundtemperature60℃,liquid-to-materialratio60:1(mL/g),ultrasoundtime70min,cellulaseamount2%,underwhichtheaverageextractingamountofVMNTFwas20.132mg·g-1.WhenthemassconcentrationofVMNTFwas0.0644mg·mL-1,theabsorbanceproducedbyreductionofFe3+was1.262,theremovalratesof·OHandDPPH·were94.46%and95.02%,respectively,andthereduc...