玉米新陳度指標的研究.pdf

1、河南工業(yè)大學碩士學位論文玉米新陳度指標的研究姓名：張勇申請學位級別：碩士專業(yè)：糧食、油脂及植物蛋白工程指導教師：周顯青20070501ABSTRACTInordertofindthegoodindexesthatcouldreflectthechangeofstoragequalityofmaize，themaizeharvestednewlyandstoredfor13yearsin10provincesHenanprovince，C

2、hongqingcityandsoonwereresearched，theviabilitygerminationrate，respiratoryintensityfattyacidvalue(FAV)watersolubleacidvalue，electricalconductivitythevigorofcatalase(CAT)andperoxidase(POD)，contentofmalondiadehyde(MDA)ofmai

3、zeweremeasuredThevolatileof19kindsofmaizestoredforO～3yearsfromChongqingcityweremeasuredbyCCMSTherelationsbetweenindexesandfreshness&agingdegree，betweentheindexeswereresearched，theagingforecastingmodelofstoragemaizewasest

4、ablishedtheagingmechanismofstoragemaizewasdiscussedtheresearchresultsshowedasfollowing：Theviabilitythegerminationrate，respiratoryintensityweretheindexesthateffectedbytheenvironmenteasilytheviabilitythegerminationmte，ther

5、espiratoryintensityofmaizestoredfordifferentyearshadasignificancedifference，thestorageregioncouldmakethephysiologicalindexesacertainextentdifferentlythecoefficientofvariationofthe3physiologicalindexescouldreflectthestora

6、gequalityofthemaize，thethreephysiologicalindexescouldreflectthemaize’sstoragequalityThefattyacidvalueelectricalconductivitythevigorofCATPOD，contentofMDAweretheindexesthatalsoeffectedbytheenvironmenteasilythefattyacidvalu

7、e，electricalconductivitythevigorofCATPOD，contentofMDAcouldreflectthemaize’sstoragequalityacertainextentVolatilecomponentofmaizestoredfordifferentyearswerenearlythesame，butthequantityhaddifferencewitheachotherthecontentof

8、acetonecyclohexadiene，cyclopentylacetyleneaceticacid，hexaldehydecouldreflectstoragequalityofmaize，2pentanonewasthesymbolofnewharvestedmaize；thecontentoftotalvolatilematterthecontentofacetone，cyclohexadienecyclopentylacet

9、ylenc，isovalericaldehydeaceticac斌hexaldehydehadremarkableandextremelyremarkablecorrelationwithfattyacidvalue，electricalconductivitythevigorofPOD，contentofMOAthisshowedthatproduceofvolatilehadconsanguineousrelationwithbio