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减压贮藏对冬枣果实呼吸及软化相关指标的影响
引用本文:靳爱仙,王亚萍,梁丽松,王贵禧.减压贮藏对冬枣果实呼吸及软化相关指标的影响[J].西北林学院学报,2006,21(5):143-146.
作者姓名:靳爱仙  王亚萍  梁丽松  王贵禧
作者单位:1. 国家林业局,调查规划设计院,北京,100714
2. 中国林业科学研究院,亚热带林业研究所,浙江,富阳,311400
3. 中国林业科学研究院,林业研究所,北京,100091
基金项目:国家“十五”重大科技专项“特色果品贮藏保鲜技术及设备研究与开发”(2001BA501A09)
摘    要:研究了在-1±1℃条件下不同减压强度(86.1、70.9、55.7、40.5、25.3 kPa)贮藏对冬枣果实呼吸强度、硬度、非水溶性果胶含量及多聚半乳糖醛酸酶(PG)活性的影响。结果表明,减压贮藏可以抑制冬枣的呼吸作用,保持冬枣的硬度,抑制非水溶性果胶的降解,但对PG活性的影响不明显。不同减压条件对冬枣贮藏期呼吸强度和软化相关指标的影响不同,其中55.7 kPa减压条件下冬枣的贮藏保鲜效果最好。

关 键 词:冬枣  减压贮藏  呼吸强度  软化
文章编号:1001-7461(2006)05-0143-04
收稿时间:2006-05-08
修稿时间:2006-06-07

Effect of Atmospheric Pressures on the Respiration and Softening of 'Dongzao' Jujube Fruit during Hypobaric Storage
JIN Ai-xian,WANG Ya-ping,LIANG Li-song,WANG Gui-xi.Effect of Atmospheric Pressures on the Respiration and Softening of ''''Dongzao'''' Jujube Fruit during Hypobaric Storage[J].Journal of Northwest Forestry University,2006,21(5):143-146.
Authors:JIN Ai-xian  WANG Ya-ping  LIANG Li-song  WANG Gui-xi
Abstract:The changes of fruit respiration intensity,firmness,non-water soluble pectin content and PG activity of 'Dongzao' jujube(Zizyphus Jujuba) stored in five different atmospheic pressures(86.1 kPa,70.9 kPa, 55.7 kPa,40.5 kPa and 25.3 kPa) during hypobaric storage were studied.The results showed that low pressures could inhibit the respiration and the hydrolyzation of non-water soluble pectin.The fruit firmness was higher stored in hypobaric condition than that of control,but the PG activity was less effected by the low pressure.Atmosphere pressures have the various effects on the respiration and index related on softening of 'Dongzao' jujube.It was concluded that fruit stored in 55.7 kPa remained the best quality during hypobaric storage.
Keywords:'Dongzao' jujube  hypobaric storage  respiration  softening
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