枸杞色素提取與特性研究以及內(nèi)蒙古地區(qū)枸杞品質(zhì)分析.pdf

1、內(nèi)蒙古農(nóng)業(yè)大學碩士學位論文枸杞色素提取與特性研究以及內(nèi)蒙古地區(qū)枸杞品質(zhì)分析姓名：李國銀申請學位級別：碩士專業(yè)：農(nóng)產(chǎn)品加工及貯藏工程指導教師：李正英20090401StudyontheExtractionandCharacteristicofFructuslyciiPigmentandtheQualityAnalysisofFructuslyciiPlantedinInnerMongoliaAbstractGatheringdiffere

2、ntplantingareaanddifferentvarietyfructuslyciiofInnerMongolia，makingthequalityevaluationfromprotein，fat，deoxidizedsugar，amylose，pigment，seedoilandpesticideresiduesAtthesametime，theextractioncondition，characteristic，antiox

3、—idantactivityofpigmentwasstudieddeeplyAftersaponificationwithNaOHsolution，itisagoodschemetoextractthefatsolublepigmentfromfructuslyciipulpbythemixedimpregnantofpetroleum‘a(chǎn)etherandacetoneTheoptimumconditionofsaponificati

4、onaretempreture40℃，theconcentrationofNaOHsolution10％，ratioofliquidandmaterial4：1，time40minutesTheoptimumconditionofextractionarethattempreture30“C，time20hours，ratioofliquidandmaterial8：1，ratioofpetroleumaetherandacetone6

5、：1Ithadbeenfoundalkali，antioxidants，preservativeshavelittleeffectonfatsolublepigment，butacid，heating，light，oxidantsandmetalironsAl3FenFe3haveevidenteffectbystudingthestabilityofF而ctuslyciiPigmentItshowthatfatsolublepigme

6、nthastheupperreductiveabilitycaneliminateOHandrestrainperoxidationofthelipidefficientlybythestudyofantioxidantactivityThewatersolublepigmentextractedby95％ethanolwellTheoptimumconditionofextractionarethattempreture90℃，tim

7、e20hours，ratioofliquidandmaterial15：1Studiesoncharacteristicofwatersolublepigmentshowthatheating，light，antioxidantsandpreservativeshavelittleeffectonwatersolublepigment，butacid，alkali，oxidantsandmetalironsA13Fe2Fe3Cu“hav

8、eevidenteffectonitItshowthatwatersolublepigmenthasthebetterreductiveabilitycaneliminate。OHandrestrainperoxidationofthelipidefficientlybythestudyofantioxidantactivityFructuslyciiplantedinInnerMongoliacontainplentyoffuncti

9、onalnutritioncomponentThecontentoffructuslyciiamyloseis42％45％；Thecontentofthefatsolublepigmentis3960“9092mg／1009；Thecontentofthewater—solublepigmentis9755～12687mg／1009；Inthefructuslyciiseedoil，thecontentofunsaturatedfatt