针形名优绿茶加工新工艺的研究

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1、华中农业大学2009届硕士论文3.机制针形名优绿茶新工艺基本的工艺流程:杀青一揉捻一初干一做形一固形一干燥一提香。杀青:在6CSZ一150型汽热杀青机中进行，蒸青温度150℃一165℃，叶层厚度Icm左右，时间255畔05;脱水温度145℃左右，脱水时间为1分47秒一2分24秒。揉捻:揉捻机中进行，以6CR一40型揉捻机为例，投叶量1okg~13kg左右时间30min左右，加压方式轻一重一轻。初干:在6CH一4型连续烘干机中进行，温度100℃一120℃，初干叶含水量45%~50%。做形:在6CZZ一600型针形名茶做形机中进行，温度90℃一110℃，投叶量1009/槽一1509/槽，转速18

2、4r/mi卜192r/1nin，含水量约20%。固形:在6cZG一60型针形名茶固形机中进行，投叶量1.skg左右，叶温50℃左右，时间15min砚omin。干燥:在6CH一4型连续烘干机中进行，温度80℃一95℃，茶叶含水量7%左右。提香:在6CH一4型连续烘干机中进行，温度120℃左右，时间3min~smin。关键词:针形名优绿茶;加工;杀青;固形;品质针形名优绿茶加工新工艺的研究AbstraCtDe一enZ丫mlngandshapingarethekeyProeessesinmakingNeedle一shapedFamousGreenTea.AtPreseni，steamNeedle一

3、shapedFamousGreenTeainereasinglygrowsinnumb饥butlessresearchfocusesontherelevantProeessingtedinique.ThistoPicexPloredtheoPtlrnurnProeessParametersofsteamde一enz帅inganddewateringby6CSZ一150tyPeSteamDe一enzylningMaehine，andanalyZedthechangeofthequalitywiththenewProcessingteehniquetakingthetraditionalProc

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5、fNeedle-shaPedFamousGreenTeaOnthebasisofsinglefaetorexPeriments，orthogonaldesignexPerimenionthree几ctors，namelysteamde一enz卿ingtemPerature(150oC，165oC，180oC)，leafquantity(leavesnonoverlaPing，overlapingleavesthicbessaboutIcm，overlaPPingleavesthie知essaboutZcm)andtime(405，305，255)waseonducted.Theresults

6、indieatedthatshortde一enz叨叮ingtime，lowtemPeratureorthickoverlapPingleavesallledtode一enz扣1linginsufficieney，grasssmellandevenreddeningofleaves.Longde一enzylllingtimeorhightemPeratureresultedinstu伪taste.Thede一enz刃ningtemPeratureandleaf职antity51酗ficantaffectedchlorophyllconienisignifieantl丫Astemperature

7、rose，thechioroPhyllconientinereasedfirstanddecreasedaft蒯盯ds.Theteaeolourturneddarkerifthede一enzylnlngtemPeraturewastoohighortoolow.ThechloroPhyllconientswentuPastheleafamountinereased.Using6CSZ一150tyPesteam