National Taiwan Ocean University Institutional Repository:Item 987654321/43387
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题名: Active films from water-soluble chitosan/cellulose composites incorporating releasable caffeic acid for inhibition of lipid oxidation in fish oil emulsions
作者: Shu-HueiYu;Hao-YingHsieh;Jen-ChiehPang;Deh-WeiTang;Chwen-MingShih;Min-LangTsai;Yi-ChinTsai;Fwu-LongMi
贡献者: 國立臺灣海洋大學:食品科學系
关键词: Chitosan;Active packaging;Caffeic acid;Lipid oxidation;Fish oil
日期: 2013-06
上传时间: 2017-07-24T08:28:36Z
出版者: Food Hydrocolloids
摘要: Abstract:In this study, antimicrobial and antioxidant active packaging films were prepared from water-soluble chitosan (N,O-carboxymethyl chitosan, NOCC) and cellulose (methylcellulose, MC). Composite films were prepared by directly blending NOCC and MC in water, followed by cross-linking the NOCC/MC composite films with calcium ions. The microstructure, water vapor permeability and mechanical strength of the composite films could be modulated via adjusting the NOCC/MC blending ratio and subsequently cross-linking the films with calcium ions. To prepare active packaging films, a natural phenolic antioxidant, caffeic acid, was incorporated into the composite films in fixed and releasable types. The caffeic acid-incorporated films showed 20-fold increases in antioxidant activity and 6-fold increases in antibacterial activity as compared to the caffeic acid-free composite films. The releasable caffeic acid could be continuously released from the composite films and showed significant inhibitory effect on lipid oxidation of menhaden oil-in-water emulsion. The caffeic acid-based active packaging may be a potential alternative approach to reduced lipid oxidation in fish oil.
關聯: 32(1), pp.9-19
URI: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/43387
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