普洱茶活性香气化合物分析

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1、StudyOilActiveAromaCompoundsinPuerTeaMajor：TeaScienceCandidate：RuiliLiAdvisor：Prof．HuarongTongABSTRACTPuerteawasalonghistoryofspecialteaofYunnanprovinceinChina．Ithadbeenageographicalindicationproduct．Becauseofitsexcellenthealthbenefitsanditwasmoreandmorep

2、opularinthemajorityofconsumersathomeandabroad．PuerteaprocessingtechnologywasbasedontheYunnanbigleaveSoffreshleavesbyfixing，rolling，dryingandotherprocessesmadegreenmaocharawmaterials，thenheapfermentation，steamingkneading，moldingintovariousshapesofthefinish

3、edproductPuertea．Thechemicalcompositionsoccuredthecomplexchangesintheheapfermentation，especiallyofteaaromacomponents，enzymolysis，oxidationreductionofcatechinsandotherpolyphenols，aswellaswater,heatandacidicconditions，coundcauseorpromotethegenerationofaroma

4、ticcompounds．ThishadbeentheuniquequalitycharacteristicsandhealtheffectsofPuertea．ManyPuertearesearchershadalotofresearchonitschemicaIcompositionanditsvariationlawintheprocess，andrevealeditsrelationshipwithPuerteaquality，butbecauseofthelackofsystematicrese

5、arch，itneededscientistsandPuertealovers’furtherresearchandexploration．PuerteaproductslackedoftheintemationaImarketcompetitiveness。becausethearomawaslowononehand．Ifcoundstrengthentheresearchinthisregard，andidentifiedthatwhatcompoundshadasignificantcontribu

6、tiontoPuerteaaroma．ItwoundbringgreaterdevelopmentofPuerteaproducts．EffectiveUSeSofmodemtechnologywoundexpandthePuerteasales，servicefortheIocaIagriculturaleconomy．Samplepreparationadoptedstaticstateheadspacesolid．phasemicroextraction，anditconcentratedvolat

7、ileorganiccompoundsintypicalrepresentativeofPuerripeteainYunnaninfivedifferentstoragetimes．Bymeansofapreliminaryanalysisbygaschromatography·massspectrometry(GC．MS)，forIII西南大学硕士学位论文量寡舅舅量量量曼皇曼曼量皇量曼曼薯量量量曼量量曹皇量曼皇曼量皇篁皇曼皇皇曼曼量量曼量詈量曼曼舅曼量量皇皇鼍鲁皇量皇鼍鲁IIvolatilecompon

8、entsvarietiesandcontentsofthefivepuerripeteas．Gaschromatography-olfactometry(GC—O)analysedaromaactivecompositions·What’Smore，measuringthethresholdsoffivemethoxycompounds，tofurtherdeterminethecontributionofmethoxycom