文章摘要
邓冰,韩云云,韩艳文,梁鹏,刘畅,闫师杰.库尔勒香梨缓慢降温后适宜温湿度条件的研究[J].包装工程,2016,37(7):45-50.
DENG Bing,HAN Yun-yun,HAN Yan-wen,LIANG Peng,LIU Chang,YAN Shi-jie.Optimal Temperature and Humidity Conditions of Korla Fragrant Pear under Slow Cooling[J].Packaging Engineering,2016,37(7):45-50.
库尔勒香梨缓慢降温后适宜温湿度条件的研究
Optimal Temperature and Humidity Conditions of Korla Fragrant Pear under Slow Cooling
投稿时间:2015-05-04  修订日期:2016-04-10
DOI:
中文关键词: 库尔勒香梨  缓慢降温  贮藏  温湿度
英文关键词: Korla fragrant pear  slow cooling  storage  temperature and humidity
基金项目:农业部公益性行业 (农业) 科研专项 (201303075)
作者单位
邓冰 天津农学院园艺园林学院天津 300384 
韩云云 天津农学院园艺园林学院天津 300384 
韩艳文 天津农学院园艺园林学院天津 300384 
梁鹏 1. 天津农学院天津 3003842. 天津市农副产品深加工技术工程中心天津 300384 
刘畅 天津农学院天津 300384 
闫师杰 1. 天津农学院天津 3003842. 天津市农副产品深加工技术工程中心天津 300384 
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中文摘要:
      目的 研究4种温湿度组合对库尔勒香梨采后贮藏品质及生理特性的影响。方法 将香梨置于5 ℃冷库中预冷, 采用5 d缓慢降温的方式, 每1 d降1 ℃, 最终降到0 ℃, 之后将香梨随机分组置于温度为-0.7 ℃和0.5 ℃, 相对湿度为85%~90%和90%~95%组合的条件下进行贮藏, 每30 d测定1次生理指标; 常温货架期14 d时统计各处理果果心褐变情况。结果 -0.7 ℃和相对湿度为85%的贮藏处理推迟了冷藏期间香梨果实乙烯高峰的出现, 抑制了果实呼吸和乙烯代谢, 较好地保持了香梨果实硬度、可滴定酸和可溶性固形物含量, 延缓了果实色泽的变化, 降低了货架期果心褐变率和果心褐变指数。结论 库尔勒香梨贮藏的最佳环境参数是温度为-0.7 ℃和相对湿度为85%。
英文摘要:
      This experiment aimed to study the effects of four combinations of temperature and humidity on fruit quality of Korla fragrant pear. Fragrant pears were precooled in 5 ℃ cold room and the temperature was slowly cooled (1 ℃/d) to 0 ℃, then the pears were randomly grouped in conditions of the temperature of -0.7 ℃ and 0.5 ℃, the humidity of RH 85% - 90% and RH 90% - 95% for storage, physiological indicators were measured every 30 days. The core-browning rate and indexes were counted at the 14 days of shelf-life at room temperature. Storage at -0.7 ℃ + RH 85% postponed the occurrence of the ethylene-production peak, inhibited the respiratory and ethylene metabolism of pear fruit, maintained the firmness and the titratable acidity and the content of soluble solids, delayed the changes of fruit color, and depressed the core-browning rate and index during shelf-life. In conclusion, the best store parameter for Korla fragrant pear was -0.7 ℃+ RH 85%.
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