1—MCP對(duì)獼猴桃采后生理生化變化及貯藏品質(zhì)的影響.pdf

1、西北農(nóng)林科技大學(xué)碩士學(xué)位論文1—MCP對(duì)獼猴桃采后生理生化變化及貯藏品質(zhì)的影響姓名：唐燕申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：植物學(xué)指導(dǎo)教師：馬書尚梁宗鎖20040601StudyonstoragequalityandrelatedphysiologicalandbiochemicalchangeofPostharvestKiwifruitasinfluencedby1MCPAbstract‘Qinmei’and‘Hayward’kiwifxuits

2、treated、Ⅳith01Lll‘L。of1methyleyclopropene(1MCP)werestoredinroomstorageandcoldstoragerespectivelyTheeffectsof1MCPonrespirationrates，C2I14production，fieshfirmness，titratableacid，totalsolublesolids，aSwellasthechangesinprote

3、inswerestudiedduringstorageandthesubsequentshelftimeThephysiologicalandbiochemicalmechanismofripeningandsofteningofkiwifmittreatedwith1MCPwerealsoprobedThepotentialapplicationof1MCPtokiwifruitsstoragewasdiscussedTheexper

4、imentsmainlyreachfollowingresults(1)Underbothroomandcoldconditions，1MCPsignificantlyinhibitedrespirationratesandC2Ihproductionof‘Qinmei’and‘Hayward’kiwifruitsbomduringstorageandduringsubsequent7dshelftimeafterstorageat0。

5、C(2)Undertwostorageregimes，Thesofteningofkiwifruitsshowedtwodistinctphases：rapidsofteningatearlystorageandslowsofteningatlatestorage1MCPsignificantlysloweddownfieshsofteningandthereductionoftitmtableacid，inhibitedtheincr

6、easeoftotalsolublesolidsofkiwifruitsTheinhibitoryeffectw舔retainedinthesubsequentshelftime(3)Comparedto‘Qinmei’Kiwifruittherespirationrateof‘Hayward’Kiwifruitwasfarlowerinroomstorage，and‘Hayward’kiwifiafitproducedmuchless

7、C2H4andthepeaksofC2IhappearedlatchThismightresultedinslowersofteningof‘Hayward’kiwifruit(4)Underroomconditions，the41KDproteinoccurredaftertwoweeksofstorageintwocultivars，1MCPhadnoeffectonthisproteinbandHowevera190KDprote

8、inbandappearedin‘Qinmei’kiwifruitafter3weekstorageand1MCPinhibitedtheappearanceofthisbandInconclusion01lxl‘L1ofl—MCPcouldsignificantlybenefittheretentionofkiwifruitsqualityandtheextensionofstoragelifeundertheroomandcolds