Preparation, characterization and antibacterial activity of biodegradable films prepared from carrageenan

被引：41

作者：

El-Fawal, G. ^{[1
]}

机构：

[1] Adv Technol & New Mat Res Inst, Polymer Mat Res Dept, Alexandria 21934, Egypt

来源：

JOURNAL OF FOOD SCIENCE AND TECHNOLOGY-MYSORE | 2014年 / 51卷 / 09期

关键词：

Carrageenan; Citric acid; Antibacterial; Packaging material; POLYSACCHARIDE; DESIGN; NISIN; ACIDS;

D O I：

10.1007/s13197-013-1255-9

中图分类号：

TS2 [食品工业];

学科分类号：

0832 ;

摘要：

Carrageenan films have been formulated as a packaging material. Films plasticized with glycerol were loaded with citric acid (1, 0.75, 0.5, 0.25 and 0.1 %) for enhanced antimicrobial effects. Blank and citric acid loaded films were characterized by mechanical properties, scanning electron microscopy and contact angle. In addition, swelling and antibacterial studies were conducted to further characterize the films. Both blank and citric acid loaded films showed different morphology, high elasticity and acceptable tensile (mechanical) properties. These citric acid loaded films produced higher zones of inhibition against Staphylococcus aureus, Proteus mirabilis, Pseudomonas aeruginosa, Escherichia coli and Dickeya chrysanthemi strains compared to blank film.

引用

页码：2234 / 2239

页数：6

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