壳聚糖涂膜对鲜切哈密瓜品质的影响

马捷; 胡慧敏; 孙琰; 王毅; 毕阳

doi:10.13386/j.issn1002-0306.2016.24.059

壳聚糖涂膜对鲜切哈密瓜品质的影响

甘肃农业大学食品科学与工程学院

基金项目:

公益性行业(农业)科研专项(201303075)；

详细信息

作者简介:
马捷(1990-),男,硕士研究生,研究方向:果蔬采后生物学与技术,E-mail:mj3695@163.com。;

毕阳(1962-),男,博士,教授,研究方向:果蔬采后生物学与技术,E-mail:biyang@gsau.edu.cn。;

中图分类号: TS255.3
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出版历程
- 收稿日期: 2016-04-17

Effect of chitosan coating on quality of fresh-cut Hami melons

College of Food Science and Engineering,Gansu Agricultural University

摘要

摘要: 将鲜切"西州蜜"哈密瓜用2%的壳聚糖处理,研究壳聚糖涂膜处理对鲜切瓜块冷藏期间品质影响。结果表明,壳聚糖涂膜可有效降低鲜切哈密瓜贮藏期间果实失重率,延缓硬度下降,同时,壳聚糖涂膜还能有效维持瓜块的色泽,以及可溶性固形物和可滴定酸的含量,此外,壳聚糖涂膜还能显著抑制果块表面菌落总数、酵母菌、霉菌、大肠菌群数的增长。感官评价结果表明经壳聚糖涂膜处理的鲜切哈密瓜果实的良好食用品质可维持至9 d,比对照组延长3 d。
- 壳聚糖 /
- 鲜切 /
- 哈密瓜 /
- 品质
Abstract: Fresh- cut Hami melon ‘Cucumis melo cv. Xizhoumi'was coated with 2% of chitosan,the effects of coating treatment were studied on quality,microbial indexes and sensory characteristics of fresh- cut fruit during cool storage.The results showed that chitosan coating effectively decreased the weight loss,and maintained the firmness of fruit during storage.Meanwhile,the chitosan treatment significantly maintained the color,and the content of total soluble solids( TTS) and titratable acid( TA) of the melon pieces. In addition,the coating significantly inhibited the growth of aerobic plate count,yeasts,molds and coliforms on the surface of fruit pieces.The results of sensory evaluation showed that the good edible quality of the treated melon pieces kept to the 9th day,which extended 3 days than the control.
- chitosan /
- fresh-cut /
- Hami melon /
- quality

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