Effect of Chitosan Microcapsules on the Quality of Fish Oil

被引:0
|
作者
Peng X. [1 ]
Dai Z. [1 ,2 ]
Song G. [1 ]
Zhang M. [1 ]
Zheng Z. [1 ]
Shen Q. [1 ,2 ]
机构
[1] Institute of Sea Food, Zhejiang Gongshang University, Hangzhou
[2] State Key Laboratory of Aquatic Products Processing of Zhejiang Province, Hangzhou
关键词
Fatty acid composition; Fish oil microcapsules; Physicochemical properties; Storage period; Volatile flavor;
D O I
10.16429/j.1009-7848.2020.05.028
中图分类号
学科分类号
摘要
In order to investigate the effect of microencapsulation on the quality of fish oil, we made microcapsule by spray drying method, which was composed of chitosan as shell material, tuna oil as core material. The physicochemical properties, fatty acid composition and volatile ingredients were detected, and the accelerated storage tests were used to examine changes in these indicators above. The results showed that the fish oil microcapsules had higher peroxide value, lower unsaturated fat content, more key volatile components related to the fishy smell, and lower quality relatively. During the storage, fish oil microcapsules can significantly inhibit the increase of peroxide value and the increase of the content of key volatile components, and little effect on retention rate of DHA and EPA. Although the fish oil microcapsule preparation process will reduce the quality of fish oil to a certain degree, but to delay the oxidation of fish oil and masking bad taste does have a certain effect. © 2020, Editorial Office of Journal of CIFST. All right reserved.
引用
收藏
页码:222 / 230
页数:8
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