綠茶—加工工藝TEAPROCESSING邵淑宏浙江旅游職業(yè)學(xué)院GreenTeaProcessing綠茶加工工藝1.NewwordsStimulate英[?st?mjule?t]美[?st?mj??let]vt.刺激;激勵，鼓舞;使興奮vi.起興奮作用;起促進作用;起刺激作用(2)Fixation英[f?k?se??n]美[f?k?se??n]n.固定(3)Rolling英[?r??l??]美[?ro?l??]adj.旋轉(zhuǎn)的;波動的;起伏的n.旋轉(zhuǎn);動搖;轟鳴GreenTeaProcessing綠茶加工工藝1.Newwords(4)

Passivate英['p?s?ve?t]美['p?s?ve?t]vt.使鈍化(5)Oxidation英[??ks?'de??n]美[?ɑks??de??n]n.氧化(6)Enzyme英[?enza?m]美[??nza?m]n.[生化]酶GreenTeaProcessing綠茶加工工藝1.Newwords(7)

Evaporate英[??v?p?re?t]美[??v?p??ret]vt.&vi.（使某物）蒸發(fā)掉vi.蒸發(fā);消失;發(fā)散氣體vt.使脫水;使蒸發(fā);使揮發(fā);使沉淀(8)

Facilitate英[f??s?l?te?t]美[f??s?l??tet]vt.幫助;促進，助長;使容易(9)Seepage英[?si:p?d?]美[?sip?d?]n.滲漏;漏，滲;滲液;滲溢GreenTeaProcessing綠茶加工工藝2.IntroductionChineseteaisclassifiedintosixbasictypesaccordingtodifferentprocessingmethods:greentea,yellowtea,darktea,whitetea,oolongteaandblacktea.

Thesesixtypessharesomesimilarprocessingproceduresandhavetheiruniqueprocedurestoformtheirrespectivequalities.

中國茶根據(jù)不同的加工工藝可基本分為六大類：綠茶、黃茶、黑茶、白茶、烏龍茶和紅茶。這六大類有相似的加工工藝，也有各自獨特的工藝從而形成各自獨特的品質(zhì)特征。GreenTeaProcessing綠茶加工工藝2.IntroductionChemicalchangeswilloccurduringtheprocessing.Differenttechniquesstimulatedifferentchemicalchangestoproduceteawithvaryingqualities.

化學(xué)變化發(fā)生在不同的加工過程中。不同的工藝產(chǎn)生不同的化學(xué)變化從此產(chǎn)生不同品質(zhì)的茶葉。Theprocessingofgreenteacanbesimplyclassifiedasfixation—rolling—drying.

綠茶的加工工藝可簡單概況為：殺青—揉捻—干燥。

GreenTeaProcessing綠茶加工工藝2.IntroductionFixation:Fixationisthefirstandkeyprocedureingreenteaprocessing.Throughhightemperaturetostopandpassivatetheoxidationenzymeactivitiesinfreshleaves,evaporatewatertosoftenthetealeaves,andthustorolltealeaveseasilyandtopromotefragrance.殺青：殺青是制作綠茶最初且最關(guān)鍵的工序。是通過高溫破壞和鈍化鮮葉中氧化酶活性，蒸發(fā)部分水分使葉片變軟，方便揉捻成形，促進形成香氣成分。Themethodoffixationincludestir-fryfixationandsteamingfixation.

殺青的方式主要有炒青和蒸青。GreenTeaProcessing綠茶加工工藝2.IntroductionRolling:Afterfixation,theteawillberolledrepeatedlytoacertainshapeandpromotethecellbreakageoftealeaves,facilitatingtheseepageoftealeavessolubleinwater.揉捻：將殺青后的茶葉反復(fù)揉捻，使茶葉形成一定的形狀，促使茶葉的細胞破裂，方便沖泡后茶葉所滲出的茶汁溶于水。GreenTeaProcessing綠茶加工工藝2.IntroductionDrying:Therearefrieddrying,bakeddryingandsundrying.Itistoevaporateexcessmoistureintealeavestokeeptheliveenzymesinteaandthereforeitiseasytomaintainteaqualityandfixteashape.干燥：分為炒干、烘干和曬干，其目的是揮發(fā)茶葉中多余的水汽，保持茶葉中酶的活性，便于保持品質(zhì)，固定茶形。A:Goodmorning!WelcometoHangzhouGreenteamuseum!WhatcanIdoforyou?B:Goodmorning!Couldyoupleasetellmethefeaturesofgreenteathatdistinguishitfromotherkindsoftea?A:Greenteaisthetypeofteawiththelongesthistory,withthewidestproducingareasalloverChina.It’snon-fermentedandfeaturesclearliquorandgreenleaves.B:Whataremajorprocessingprocedures?A:Goodquestion!Itismostlyproducedin3steps,fixation,rollinganddrying.B:Thankyou.A:早上好