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The effects of different extraction methods on composition and storage stability of sturgeon oil

文献类型: 外文期刊

作者: Hao, Shuxian 1 ; Wei, Ya 1 ; Li, Laihao 1 ; Yang, Xianqing 1 ; Cen, Jianwei 1 ; Huang, Hui 1 ; Lin, Wanling 1 ; Yuan, Xia 1 ;

作者机构: 1.Chinese Acad Fishery Sci, South China Sea Fishery Res Inst, Wuxi, Jiangsu, Peoples R China; Minist Agr, Key Lab Aquat Prod Proc, Beijing, Peoples R China; Natl R&D Ctr Aquat Prod Proc, Guangzhou 510300, Guangdong, Peoples R China

关键词: Sturgeon;Oil extraction;Storage stability;Volatile compounds

期刊名称:FOOD CHEMISTRY ( 影响因子:7.514; 五年影响因子:7.516 )

ISSN:

年卷期:

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收录情况: SCI

摘要: The objective of this study was to assess the effect of different extraction methods on oil yield, colour attributes, oxidative stability, fatty acids composition and production of volatile compounds in sturgeon oil during storage. The supercritical fluid extraction (SFE) method with carbon dioxide resulted in higher oil yields, better colour attributes, and higher oxidative stability compared to other traditional extraction methods such as enzymatic extraction, amino, and wet reduction. After storage at 4 degrees C for 33 days, the aldehyde content in oil extracted by the enzymatic extraction and wet reduction methods was twice as high as that obtained by the other methods. There was a significant reduction in the content of total acids in oils extracted by the enzymatic extraction and wet reduction methods (p < 0.05), whereas amine compounds were mainly detected in oil extracted by the amino method. The oil extracted by SFE exhibited higher UFA and lower SFA. Significant diffidence among PUFA with C above 20 was observed in oil extracted with SFE. (C) 2014 Elsevier Ltd. All rights reserved.

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