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Extraction of fish oil from the muscle of sturgeon using supercritical fluids

文献类型: 外文期刊

作者: Hao, Shuxian 1 ; Hui, Huang 2 ; Li, Laihao 2 ; Yang, Xianqing 2 ; Cen, Jianwei 2 ; Lin, Wanling 2 ; Wei, Ya 2 ;

作者机构: 1.Chinese Acad Fishery Sci, South China Sea Fisheries Res Inst, Beijing, Peoples R China

2.Natl R&D Ctr Aquat Product Processing;, Key Lab Aquat Product Proc, Guangzhou 510300, Peoples R China

关键词: Fish oil;supercritical extraction;sturgeon;response surface methodology

期刊名称:ENGINEERING SOLUTIONS FOR MANUFACTURING PROCESSES, PTS 1-3

ISSN: 1022-6680

年卷期: 2013 年 655-657 卷

页码:

收录情况: SCI

摘要: This study evaluated the extraction of oil from sturgeon (Acipenser baeri) muscle using supercritical fluids. Response surface methodology (RSM) was used to identify and quantify the variables, namely extraction pressure, extraction time and CO2 flow rate on the yield of oil. Statistical analysis indicated that for all three variables, the quadratic terms and interactions between the variables had significant effects on yield (p < 0.05). Polynomial regression model predictions were in good agreement with the experimental results, with a coefficient of determination of 0.9936 for yield. Maximum yield from sturgeon muscle was 26.83% with a pressure of 315.8 bar, extraction time of 10.8 min and CO2 flow rate of 3.5 l/min, which closely matched the predicted value (26.70%). The characteristics of the fish oil extracted with the supercritical fluids were superior to those of oil obtained by other methods.

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