LIUHui-zhen,WANGYong-xia,LIUGui-ying.EffectsofChitosanonPostharvestPhysiologyandFresh-keepingof WinterJujubeatRoomTemperature[J].Northern Horticulture,2013,37(16):169-171.
常温下壳聚糖处理对冬枣采后生理及保鲜效果的影响
- Title:
- EffectsofChitosanonPostharvestPhysiologyandFresh-keepingof WinterJujubeatRoomTemperature
- 文章编号:
- 1001-0009(2013)16-0169-03
- 分类号:
- S665.1
- 文献标志码:
- A
- 摘要:
- 以河北产冬枣为试材，研究了不同浓度壳聚糖涂膜处理对常温下（20±1)℃，相对湿度60%~80%的冬枣贮藏品质和保鲜效果的影响。结果表明：与CK组相比，壳聚糖处理能显著抑制果实烂果率和失重率的变化（P＜0.01)，延缓果实硬度和维生素C含量的下降（P＜0.05)，抑制果实呼吸速率的变化（P＜0.05)。其中，以2.0g/100mL壳聚糖处理的冬枣贮藏品质最优，贮藏25d，烂果率仅为43.3%，失重率和呼吸速率分别为7.36%和98.3mg(CO2)?g-1?h-1，果实硬度和维生素C含量分别为9.23kg/cm2和2.42mg/g。
- Abstract:
- Takingwinterjujubeasmaterial，theeffectsofdifferentconcentrationsofchitosantreatmentatroomtemperature(20±1）℃，relativehumidity60%～80%onthestoragequalityandfresh-keepingeffectwerestudied.TheresultsshowedthatcomparedwithCKgroup，thechangeofchitosantreatmentcouldinhibitthechangeoffruitrotrateandweightlossrate(P<0.01)，delaydecreaseoffruitfirmnessandVCcontent(P<0.05)，delaychangeofrespirationrate(P<0.05).Amongthem，thestoragequalityofwinterjujubewasoptimalwith2.0g/100mLchitosantreatment，25daysofstorage，rottenfruitratewasonly43.3%，weightlossrateandrespirationratewere7.36%and98.3mg(CO2)?g-1?h-1，fruitfirmnessandVCcontentwere9.23kg/cm2 and2.42mg/g.
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备注/Memo
第一作者简介：刘会珍（1973-），女，河北廊坊人，硕士，副教授，现主要从事农产品贮藏与加工方面的教学与科研等工作。
收稿日期：2013-04-08