茶葉香氣指紋圖譜及特征識(shí)別的初步研究.pdf

1、山東農(nóng)業(yè)大學(xué)碩士學(xué)位論文茶葉香氣指紋圖譜及特征識(shí)別的初步研究姓名：歐陽石光申請學(xué)位級(jí)別：碩士專業(yè)：茶學(xué)指導(dǎo)教師：張麗霞；王日為20110614茶葉香氣指紋圖譜及特征識(shí)別的初步研究2AbstractWithwideapplicationoftheiginalcertificatedsystemfteaproductsinChinamemefamousteajoinedinthissystemfprotection.Therehavebee

2、nalreadyseveralreptsaboutusingchemicalfingerprintsoffamousteatodistinguishqualityindentifytheiriginalproducingarea.Thispaperaimsatapplyingthismethodwhichcandistinguishqualityindentifyteaiginalproducingarea.ByusingHSSPMEG

3、CMSmethodfextractinganalysisaromacompoundsofdryteaaromafingerprintsofWuyuangreenteaWuyiRockteaareestablishedthearomaacteristicsofOolongteafromdifferentareasareanalyzed.Theresultsareasfollows:1.ThesuitabletemperatureofSPM

4、Eis80℃fgreenteaWuyiRockteablackteawhile60℃fthatofTieguanyingtearespectively.Thistemperaturedifferenceisrelatedtothebakingtemperaturesoftheminthefinalstageduringmanufacture.UnderthesameSPMEconditionstherearenosignificantd

5、ifferencesincomponenentsofaromaofteabyhotwaterbrewingbyairheating.2.AtoptimalconditionsofSPMEGCMSmethodsaromaofdryteaareextractedanalyzed.AromafingerprintsofWuyuangreenteaWuyiRockteawereestablishedwhichcanacterizetheirar

6、omaacteristics.Aromafingerprintsofteasamplescanbeusedtodistinguishqualityindentifyiginalproducingareabyinvestigatingtheindexesoffingerpeaksincludingrelativetimetherelativepeakareathesimilaritycoefficienttheoverlaprate.Th

7、ismethodwassimplereliable.3.Aromasofteafromdifferentareashaverespectivecompositionacteristics.EachtypesofOolongteahaveitsownspecificaromacomponentsfeatureareaonthetotalionchromatography.ThearomaconstituentsofnthernFujian

8、oolongteacompriseofmainlyesterssomebakedflavswhichisrarelydetectedinothetypeofOolongtea.Ithas12specificaromacomponentsonedistinguishfeaturearea(‘a(chǎn)’area)inthetotalionchromatography.MeanwhilethearomaconstituentsofsouthernF

9、ujianoolongteacompriseofmainlyalcohols.Ithas21specificaromacomponentsthreedistinguishfeatureareas(‘bcd’area).ThearomaconstituentsofGuangdongOolongteawererichincompoundswithflowerflav.Ninespecificaromacomponentsweredetect