含五倍子水提物的魔芋葡甘聚糖涂膜液对冷鲜猪肉的保鲜效果研究

孙云; 吴考; 倪学文; 严文莉; 匡映; 姜发堂; 黄静

doi:10.13386/j.issn1002-0306.2017.02.055

含五倍子水提物的魔芋葡甘聚糖涂膜液对冷鲜猪肉的保鲜效果研究

1. 湖北工业大学食品与制药工程学院
2. 湖北轻工职业技术学院工商信息学院

基金项目:

国家自然科学基金青年科学基金项目(31301428);国家自然科学基金面上项目(31271832)；

详细信息

作者简介:
孙云(1989-),女,硕士研究生,研究方向:食品天然多糖,E-mail:1072965119@qq.com。;

黄静(1969-),女,硕士,副教授,研究方向:食品添加剂数据库开发,E-mail:hjing222@sina.com。;

中图分类号: TS251.51
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出版历程
- 收稿日期: 2016-07-17

Galla chinensis water extract/konjac glucomannan used as coating to extend the storage life of chilled meat

College of Bioengineering and Food Science,Hubei University of Technology
School of Business and Information,Hubei Light Industry Technology Institute

摘要

摘要: 本文以水为溶剂提取获得五倍子水提物并测定其总酚及总黄酮含量、抗氧化及抗菌活性,以及将五倍子水提物添加至魔芋葡甘聚糖溶液中对猪肉进行涂膜保鲜。在体外实验中,五倍子水提物可清除2,2-联氮-二（三-乙基-苯并噻唑-6-磺酸）二铵盐（ABTS）自由基,且对金黄色葡萄球菌和大肠杆菌具有抑制作用。将添加五倍子水提物的魔芋葡甘聚糖（KGM）涂膜液对冷鲜猪肉进行涂膜,能延缓冷鲜猪肉中菌落总数、硫代巴比妥酸（TBARS）值、p H以及颜色的变化。以菌落总数为参考指标,富含五倍子水提物的涂膜处理的冷鲜猪肉与未经涂膜处理的冷鲜猪肉对比,在4℃储藏条件下货架期延长5 d。含五倍子水提物的魔芋葡甘聚糖涂膜对冷鲜猪肉具有保鲜效果。
- 五倍子 /
- 魔芋葡甘聚糖 /
- 涂膜 /
- 抗氧化 /
- 抗菌 /
- 冷鲜肉 /
- 保鲜
Abstract: Galla chinensis water extract was prepared from Galla chinensis,and its total phenolic and flavonoid contents were measured.The antioxidant and antibacterial activities in vitro of Galla chinensis water extract were evaluated.A coating composed of Galla chinensis water extract and konjac glucomannan( KGM) was used to the preservation of chilled meat. Galla chinensis water extract showed the 2,2'- Azinobis-( 3- ethylbenzthiazoline- 6- sul- phonate)( ABTS) free radical scavenging capacity and inhibitory activity against Staphylococcus aureus and Escherichia coli. After chilled meat treated with Galla chinensis water extract / KGM coating,the total number of bacteria,p H,TBARS values,and color parameters of chilled meat were significant decreased compared with uncoated chilled meat. Based on the total number of bacteria,the storage life of coated chilled meat stored at 4 ℃ was extended for 5 days compared with uncoated chilled meat.The Galla chinensis water extract / KGM coating liquid has the preservation effect on chilled meat.
- Galla chinensis /
- konjac glucomannan /
- coating /
- antioxidant /
- antibacterial /
- chilled meat /
- preservation

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参考文献(20)

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