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Extrusion Process Optimization for Soluble Dietary Fibers Production From Agrocybe Cylindracea Using Response Surface Methodology

文献类型： 外文期刊

作者： Lv, Guoying 1 ; Zhang, Zuofa 1 ; Pan, Huijuan 1 ; Fan, Leifa 1 ;

作者机构： 1.Zhejiang Acad Agr Sci, Inst Hort, Hangzhou, Zhejiang, Peoples R China

关键词： Extrusion;response surface methodology;optimize;soluble dietary fibers

期刊名称：APPLIED MECHANICS AND MECHANICAL ENGINEERING II, PTS 1 AND 2

ISSN： 1660-9336

年卷期： 2012 年 138-139 卷

页码：

收录情况： SCI

摘要： Extrusion is an effective technology to increasing the contents of soluble dietary fibers (SDF). Response surface methodology (RSM) was applied to optimize operational parameters of extrusion. The determination coefficient (R-2) was 0.80, and the results show that the regression models could explain the data variation and represent the actual relationships between the parameters and responses. The optimal operational parameters were: ratio of water 28%, zone temperature 119.7 degrees C and rotation rate of screw 159.0 r/min. Under the optimal conditions, the maximum yield of SDF of 0.078 g/g in theory and 0.076 g/g in the experiment were obtained, with an increase of 15.1 % compared to the original yield (0.066 g/g) without extrusion process.

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