多酚等物質(zhì)在煙葉生長(zhǎng)中的變化及其與煙葉等級(jí)關(guān)系的研究.pdf

1、分類qi暫綴巖微雇業(yè)大學(xué)～!!!盟～S03Q!Q191QQ2——學(xué)位論文多酚等物質(zhì)在煙葉生長(zhǎng)中的變化及其與煙葉等級(jí)關(guān)系的研究STUDYONTHECHANGESoFPOLYPHENoLANDOTHERCHEMICALCoNTENTSINTOBACCoGRoWINGPROCESSANDTHERELATIoNSBETWEENTHoSEANDTHELEAFToBACCoRANK研究生：指導(dǎo)教師：合作指導(dǎo)教師：申請(qǐng)學(xué)位門類級(jí)別!專業(yè)名稱：研’方向

2、：所在學(xué)院：筮塵蘸董幺墊煎援叁堂題～——堡塑塹接堂芝燮掛堂侄塑盞培墨生理生絲盟紅生堂瞳答辯委員會(huì)主席2006正AbstractTheexperimentswerecarriedoutonthefmm1abofUSTCandfiveprovincesofchinafrom2004to2006，byusingtheprincipleandmethodsoftobaccochemistrybiochemistrytobaccocultivat

3、ion，tobaccobiochemistryMainlyhasstudiedaboutthechangeofthepolyphenolandthecorrelationchemicalsubstanceinleaftobaccointhedifferentvegetalperiod，thedifferentrankandinthedifferentecologyareaThemainresultsareasfollows：1Witht

4、hegrowthanddevelopmentoftobaccoleaf，thecontentoftotalphenols，chlorogenicacidandrutinincreasedgraduallyThecontentofPhenylalanineandtyrosine(tbePrecursorofpolyphenols)decreasedallthetimeintobaccoleafduringthegrowthItwassig

5、nificantlynegativecorrelationbetweentotalphenolsandphenylalanine，tyrosineduringthegrowthoftobaccoplantsItwaspositivecorrelationbetweenPALactivityandtotalphenols，chlorogenicacid，rntinAnditisclosetosignificantcorrelationle

6、velNocorrelationwasfoundbetweenPPOactivityandployphenolscontentsThedifferencebetweentotalphenolsandnicotinewassignificant，andtotalphenolshadnegativecorrelationwithtotalnitrogenThedifferencebetweenrutincontentandtotalnitr

7、ogenwasnotsignificant，andtheotherrelationsarethesameastotalphenols2Alongwithelevating，thepolyphenolsmatterthenicotine，thetotalnitrogencontentallelevatesintheflue—curedtobaccothesugartonicotinecomparesdropsButthesugarcont

8、entishighestinmiddlespot，upsideisnext，lowerpartislowestInthesamespotalongwithleaftobaccocolordeepening，thepolyphenol，thesugarcontentreduces，butthenicotineandthetotalnitrogencontentactuallyincreasesthesugartonicotinedrops

9、Whenspotandcolorareallsame，alongwiththerankenhancementvariouschemicalsubstancecontentchangeruleisextremelyobviouspolyphenol，nicotine，thetotalsugarandtheoriginalstatesugarcontentrises，butthetotalnitmgencontentisdrops3Thec

10、hemicalcompositionshavedifferencebetweendifferentregionsandthedifferenceisalittlegreaterinsomeareasinthesameconditionNicotine，andsugar／nicotinehassignificantdifferencebetweenregions，thedifferenceislessfortotalnitrogen，th

11、edifferenceoftheabsolutevalueofsugarisgreater，buttherelativevalueislessThecharacteristicsofthechemicalcompositionofallproducingregionsarethat：nicotinecontentinLiaoningisthelowest，sugarcontentisinthemiddle，totalnitrogenco

12、ntentandtheratioofsagartonicotinecontentismedialInthetobaccoleavesinAnhui，nicotinecontentisthegreatest，totalsugarcontent，sugar／nicotineisthelest，reductivesugarcontentislower，totalnitrogenishigherIntheleavesinOuizhou，nico