梨采后貯藏生理特性的研究.pdf

1、ClassifiedIndex:U.D.C:DissertationfortheMaster’5DegreeSTUDYONPOSTHARVESTPHYSIOLOGYAN~DSTORAGECHA…R.ACTEROFPEARSCandidate:SuPervisor:AeademieDegreeAPPliedfor:SPeeiality:DateoforalExamination:University:DingJianProf.YuZeyu

2、anMasterofAgrieulturePomologyJune10，2009NortheastAgrieulturalUniversity東北農(nóng)業(yè)大學(xué)農(nóng)學(xué)碩士學(xué)位論文3.1.3貯藏過程中梨果實(shí)品質(zhì)變化的研究.............................................................……303.1.3.1可溶性固形物含量的動(dòng)態(tài)變化..............................

3、................................……303.1.3.2可溶性總糖和可滴定酸含量的動(dòng)態(tài)變化...............................................……323.1.3.3還原糖和維生素C含量的動(dòng)態(tài)變化......................................................……353.1.3.4色素含量的動(dòng)態(tài)變化.............

4、.................................................................……393.1.4貯藏過程中梨果實(shí)酶活性與品質(zhì)變化規(guī)律的研究......................................……423.1.4.1PPO活性和總酚含量的動(dòng)態(tài)變化..........................................................……4

5、23.l.4.2PP0和總酚的相關(guān)性分析......................................................................……453.1.5梨最佳低溫自發(fā)氣調(diào)條件的確定.................................................................……463.2冷凍一解凍過程中梨果實(shí)品質(zhì)變化規(guī)律的研究...............

6、....................................……463.2.1不同冷凍一解凍方式對(duì)梨可溶性總糖含量的影響.........................................……463.2.2不同冷凍一解凍方式對(duì)梨可滴定酸含量的影響.............................................……473.2.3不同冷凍一解凍方式對(duì)梨維生素C含量的影響..........

7、..................................……483.2.4冷凍一解凍方法的確定........................................……484討論.........................................................……，............................................................

8、.……504.1低溫氣調(diào)貯藏對(duì)梨呼吸速率的影響……，.............................................................……504.2梨果實(shí)硬度、細(xì)胞膜透性和MDA之間的關(guān)系..................................................……504.3低溫自發(fā)氣調(diào)貯藏對(duì)梨貯藏期及其品質(zhì)的影響.............................

9、....................……514.4梨果實(shí)中酚類物質(zhì)與PPO之間的關(guān)系...............................................................……524.5凍藏對(duì)梨果實(shí)品質(zhì)的影響...................................................................................……535結(jié)論.....

10、........................................................................................................................……54致謝..............................................................................................

11、................................……55參考文獻(xiàn)........................................................................................................................……56攻讀學(xué)位期間發(fā)表的學(xué)術(shù)論文...........................................