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1、武夷学院课程考查院系:海峡成功学院专业(班级):茶学科目:茶叶生物化学姓名:林晨学号:20115011041指导教师:涂良剑日期:2012年10月15日otherstaffoftheCentre.Duringthewar,ZhuwastransferredbacktoJiangxi,andDirectorofthenewOfficeinJingdezhen,JiangxiCommitteeSecretary.Startingin1939servedasrecorderoftheWestNorthOrganizati
2、on,SecretaryoftheSpecialCommitteeAfterthevictoryofthelongMarch,hehasbeentheNorthwestOfficeoftheFederationofStateenterprisesMinister,ShenmufuguSARmissions,DirectorofNingxiaCountypartyCommitteeSecretaryandrecorderoftheCountypartyCommitteeSecretary,Ministersand多酚
3、类对茶叶品质的影响摘要多酚类是指一组植物中化学元素的统称,因具有多个酚基团而得名。茶多酚占茶叶干物质的比例大,是其中重要的成分。茶叶的品质受到茶多酚含量和比例的影响。本文就茶叶中一些多酚类的概念及性质、分布、含量及对茶叶品质的影响进行综述。茶叶的品质特征包括外形、色泽、香气和滋味等。而茶叶色香味优良品质的形成,则是茶叶中存在的化学物质综合配比和谐的结果。与之有关的成分有茶多酚、咖啡硷、叶绿素、芳香物、蛋白质、糖、果肢、氨基酸和茶氨酸等等。而能够反映茶叶品质特征的主要是茶多酚。关键词:茶叶;茶多酚;品质;儿茶素oth
4、erstaffoftheCentre.Duringthewar,ZhuwastransferredbacktoJiangxi,andDirectorofthenewOfficeinJingdezhen,JiangxiCommitteeSecretary.Startingin1939servedasrecorderoftheWestNorthOrganization,SecretaryoftheSpecialCommitteeAfterthevictoryofthelongMarch,hehasbeentheNort
5、hwestOfficeoftheFederationofStateenterprisesMinister,ShenmufuguSARmissions,DirectorofNingxiaCountypartyCommitteeSecretaryandrecorderoftheCountypartyCommitteeSecretary,MinistersandTeapolyphenolsinfluencequalityofteaAbstractPolyphenolsreferstoagroupofplantschemi
6、calelementsreferredto,forwithmultiplephenolgroupanditsname.Teapolyphenolsteaaccountedfortheproportionofdrymatter,isoneofimportantcomponent.Thequalityoftheteaisteapolyphenolcontentandtheinfluenceoftheproportion.Inthispapersomeofteapolyphenolsconceptandpropertie
7、s,distribution,contentandqualityofteaeffectswerereviewedinthisarticle.Teaqualityfeaturesincludetheappearance,color,aromaandtaste,etc.Andteaaromaqualityformation,itisexistingintheteachemicalcomprehensivematchingharmoniousresult.Inconnectionwiththecompositionsof
8、teapolyphenols,caffeine,chlorophyll,aromaticsubstance,protein,sugar,fruitlimb,aminoacidsandtheanine,etc.AndcanreflectthecharacteristicsoftheteaqualityismainlyteapolyphenolsKeywords