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时间:2020-06-19
《红腺忍冬叶抗氧化有效部位中总多酚的含量测定.pdf》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、L0c卫z广oN工mJl》z0n工一zm∽m王m0一n广cz一2、0%G醇沉淀物和滤液中总多酚的含量。[结果】测得总多酚含量在6g·mL-~16I.Lg·mE-范围内具有良好的线性关系(r=0.9996),重复I~RSD为O.31%(n=6),平均加样回收率为98.67%,RSD为2.66%(n=9)。不同批次红腺忍冬叶间测得总多酚含量差别较大;同批次红腺忍冬叶中,总多酚含量为水提液>水提液30%乙醇沉淀后滤液>水提液30%乙醇沉淀。[结论】该方法简单、准确、重复性好,可用于测定红腺忍冬叶抗氧化有效部位中总多酚的含量。红腺忍冬叶抗氧化有效部位中总多酚含量为水提液>水提液30%乙醇沉淀后滤液>水提液3、30%乙醇沉淀。关键词:红腺忍冬叶;抗氧化有效部位;总多酚;含量测定;Fofin—Ciocaileu法中图分类号:R282.71文献标识码:A文章编号:1005-5509(2014)03-o316-06ContentDeterminationofTotalPolyphenolinAntioxidantEfectiveFractionofLeavesofLoniceraHypoglaucaMiq.GeShanshan,ZhuYing,GuoXinyan,etalCollegeofPharmacyofZhejiangChineseMed4、icalUniversity,Hangzhou(310053)Abstract:[Objective]ToestabhshaFolin—CiocaileumethodfordeterminationofthecontentsoftotalhydroxybenzeneinantioxidantefectivefractionofleavesofLoniceraHypoglaucaMiq.whichisusedintheexplorationofthecontentchangesoftotalhydroxybenzeneinantiox5、idantefectivefractionofleavesofLoniceraHypoglaucaMiq.ofdiferentbatches.[Methods]Themethodologyofthemethodfordeterminationofthecontentsoftotalhydroxybenzeneinwaterex~actionofleavesofLoniceraHypoglaucaMiq.wasinvestigatedbyFohn—Ciocafleumethod.Thecontentsoftotalhydroxyben6、zeneinwaterextractionsortheprecipitationandfiltrateof30%ethanolprecipimtingactionfrom12batchesofleavesofLoniceraHypoglaucaMiq.weredetermined.[ResultsJThemethodolO~calsmdyshowedthatthelinearrangeoftotalhydroxybenzenewa$6g,g。mL一16g‘n1Lr=0.9996).TherepetitivenesstkSDoftot7、alpolyphenolwasO.31%(n6).Inaddition,theaveragerecoveryoftotalpolyphenolwas9867%,withRSD2.66%(n9).ThetotalhydroxybenzenecontentsindiferentbatchesextractionofleavesofLoniceraHypoglaucaMiq.werequitediferent.WhilethecontentsoftotalhydroxybenzeneinthesameleavesofLoniceraHyp8、oglaucaMiq.were:waterextraction>thefiltrateof30%ethanolprecipitatingaction>theprecipitationof30%ethanolprecipitatinga
2、0%G醇沉淀物和滤液中总多酚的含量。[结果】测得总多酚含量在6g·mL-~16I.Lg·mE-范围内具有良好的线性关系(r=0.9996),重复I~RSD为O.31%(n=6),平均加样回收率为98.67%,RSD为2.66%(n=9)。不同批次红腺忍冬叶间测得总多酚含量差别较大;同批次红腺忍冬叶中,总多酚含量为水提液>水提液30%乙醇沉淀后滤液>水提液30%乙醇沉淀。[结论】该方法简单、准确、重复性好,可用于测定红腺忍冬叶抗氧化有效部位中总多酚的含量。红腺忍冬叶抗氧化有效部位中总多酚含量为水提液>水提液30%乙醇沉淀后滤液>水提液
3、30%乙醇沉淀。关键词:红腺忍冬叶;抗氧化有效部位;总多酚;含量测定;Fofin—Ciocaileu法中图分类号:R282.71文献标识码:A文章编号:1005-5509(2014)03-o316-06ContentDeterminationofTotalPolyphenolinAntioxidantEfectiveFractionofLeavesofLoniceraHypoglaucaMiq.GeShanshan,ZhuYing,GuoXinyan,etalCollegeofPharmacyofZhejiangChineseMed
4、icalUniversity,Hangzhou(310053)Abstract:[Objective]ToestabhshaFolin—CiocaileumethodfordeterminationofthecontentsoftotalhydroxybenzeneinantioxidantefectivefractionofleavesofLoniceraHypoglaucaMiq.whichisusedintheexplorationofthecontentchangesoftotalhydroxybenzeneinantiox
5、idantefectivefractionofleavesofLoniceraHypoglaucaMiq.ofdiferentbatches.[Methods]Themethodologyofthemethodfordeterminationofthecontentsoftotalhydroxybenzeneinwaterex~actionofleavesofLoniceraHypoglaucaMiq.wasinvestigatedbyFohn—Ciocafleumethod.Thecontentsoftotalhydroxyben
6、zeneinwaterextractionsortheprecipitationandfiltrateof30%ethanolprecipimtingactionfrom12batchesofleavesofLoniceraHypoglaucaMiq.weredetermined.[ResultsJThemethodolO~calsmdyshowedthatthelinearrangeoftotalhydroxybenzenewa$6g,g。mL一16g‘n1Lr=0.9996).TherepetitivenesstkSDoftot
7、alpolyphenolwasO.31%(n6).Inaddition,theaveragerecoveryoftotalpolyphenolwas9867%,withRSD2.66%(n9).ThetotalhydroxybenzenecontentsindiferentbatchesextractionofleavesofLoniceraHypoglaucaMiq.werequitediferent.WhilethecontentsoftotalhydroxybenzeneinthesameleavesofLoniceraHyp
8、oglaucaMiq.were:waterextraction>thefiltrateof30%ethanolprecipitatingaction>theprecipitationof30%ethanolprecipitatinga
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