鹽脅迫對玫瑰精油香氣成分、含量及相關(guān)基因表達的影響.pdf

1、EffectofSaltStressonComposition，ProductionandRelatedGeneExpressionofRoseEssentialOilbyChenGongSupervisedbyAssociateProfessorFengLiguoADissertationSubmittedtoYangzhouUniversityInPartialFulfillmentoftheRequirementsforTheMa

2、sterDegreeofAgriculturalScienceJanuary，20152揚州大學碩士學位論文ABSTRACTRose(RosarugosaThunb)isadeciduousshrubwithinRose，widevarieties，delightfulfragrance，whichhavebeenutilizedextensivelyasexcellentlandscapingtreesandfamousnatural

3、aromaticplantsallovertheworldThequalityofroseoilisdetermineddependonthekindandcontentofaromaconstituentsHowever，withincreasinglyseriousofthesoilsalinity，muchattentionconcentrateontheexploitationofsalineinourcountryInview

4、ofthesesituations，thesignificanceofimportanttheoreticalandpracticalwillbehighlightedontheresearchthatsaltstressimpactonthecompositionandyieldofessentialoilofroseInourpresentstudy，wefirstlyexploretheoptimumsystemfromsimul

5、taneousdistillationextractionofessentialoilofroseinwhichthepurplerosesastestmaterialOnthisbasis，theanalysisoftheeffectonthecompositionandyieldofessentialoilsdependondifferenttreatmentsofsaltstresswereperformedAdditionall

6、y，wefurtheranalysisthechangesonkeygenesassociatedwitharomaconstituentsbiosynthesisbasedondifferentgradienttreatmentsofsaltstressThemainresultsareasfollows：1Withpurplerosesbloomingperiodforthematerial，simultaneous—distext

7、ractionisutilizedtoextractroseessentialoil，combinedwiththesinglefactoranalysismethod，bysimultaneous—distextractionmethodtakethebesttechnologicalparametersforextractionofroseessentialoil：theliquidratiois4：1，distillationte

8、mperatureis120℃distillationtimeis4h2SaltstresswillhasanobviouseffectonthekindsofroseessentialoilfragrancecompositionandcontentWithoutthestressofwatertreatment31kindsofaromacomponentsweredetected，however，25mMand50mMproces

9、singrespectivelydetecteda35and42kindsofaromacomponents，to100mMwhenprocessingkindsofaromacomponentssignificantly，only20kinds，thatistosaymildormoderatesaltstressisadvantageoustothericharomaofroseessentialoilcomponents；50mM