LI Chuan-you,HE Run-bing,ZHANG Jing-kai,et al.Effect of SO2Controlled Release Active Packaging Technology on the Preservation Performance of ‘Xiahei’ Grape[J].Northern Horticulture,2014,38(19):134-137.
缓释杀菌活性包装技术在“夏黑”葡萄保鲜中的应用效果
- Title:
- Effect of SO2Controlled Release Active Packaging Technology on the Preservation Performance of ‘Xiahei’ Grape
- 文章编号:
- 1001-0009(2014)19-0134-04
- Keywords:
- grape; SO2; sterilization; the ethylene absorbent; preservation
- 分类号:
- S 663.1
- 文献标志码:
- A
- 摘要:
- 以“夏黑”葡萄为试材,采用K型二氧化硫缓释杀菌活性包装袋(K袋)、K袋加乙烯吸附剂处理2种保鲜包装方案,以裸放和普通低密度聚乙烯(LDPE)薄膜包装作为对照组,每隔2 d分别对包装袋内的顶空气体组成,葡萄的外观质量、水分损失、褐变程度、硬度、糖分、总酸和维生素C含量进行测试分析,对比研究了常温条件下2种方案处理对葡萄保鲜货架期的影响,为延长“夏黑”葡萄在常温(25±1)℃条件下的货架期提供参考。结果表明:二氧化硫缓释杀菌包装(K袋)能够形成适合葡萄贮藏的自发气调氛围,并且能够抑制葡萄霉菌的滋生;在常温保存8 d后,裸放组和LDPE组的果梗褐变和烂果严重,而K袋、K袋加乙烯吸附剂组包装的葡萄褐变程度分别为1级和2级,烂果率分别为1.13%和3.56%,葡萄的外观和口感均具有商品性,保鲜效果明显。
- Abstract:
- Taking ‘Xiahei’ grapes as experiment materials,the unpackaged and LDPE film packaged grapes were set as control groups,and the preservation effect of SO2control release packing(K-type),with and without ethylene absorbent were comparatively studied.During the storage,the headspace concentrations,appearance quality,water loss,stem browning,solidity,TSS,TA,and the vitamin C content were tested and analyzed in a two days interval,in order to extend the shelf-life of ‘Xiahei’ grape at room temperature (25±1)℃.The results showed that SO2 control release packaging (K-style) could form a stable atmosphere suitable for grape preservation and inhibit the growth of pathogenic bacteria of grape.After 8 days storage at room temperature,the grapes that unpackaged and LDPE film packaged were browning and rotten fruit seriously,while the grapes packaged in the K-type storage bags and ethylene absorbent group packaging grape browning degree were 1 and 2 respectively,rotten fruit rate were 1.13% and 3.56%,the grapes quality was good and tasted well,fresh-keeping effect was obvious.
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备注/Memo
第一作者简介:李传友(1965-),男,北京人,硕士,高级工程师,现主要从事林果机械化生产及保鲜技术研究与推广工作。E-mail:beijing12345@126.com.
基金项目:北京农业科技资助项目(20120122);北京市创新团队果类菜功能研究室专项资助项目(20130216)。
收稿日期:2014-05-19