Optimization of extraction efficiency by shear emulsifying assisted enzymatic hydrolysis and functional properties of dietary fiber from deoiled cumin (Cuminum cyminum L.)

文献类型: 外文期刊

第一作者: Ma, Mengmei

作者: Ma, Mengmei;Mu, Taihua;Sun, Hongnan;Zhang, Miao;Chen, Jingwang;Yan, Zhibin

作者机构:

关键词: Dietary fiber;Deoiled cumin;Shear emulsifying assisted enzymatic hydrolysis;Response surface methodology;Functional properties

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

ISSN:

年卷期:

页码:

收录情况: SCI

摘要: This study evaluated the optimal conditions for extracting dietary fiber (DF) from deoiled cumin by shear emulsifying assisted enzymatic hydrolysis (SEAEH) using the response surface methodology. Fat adsorption capacity (FAC), glucose adsorption capacity (GAC), and bile acid retardation index (BRI) were measured to evaluate the functional properties of the extracted DF. The results revealed that the optimal extraction conditions included an enzyme to substrate ratio of 4.5%, a reaction temperature of 57 degrees C, a pH value of 7.7, and a reaction time of 155 min. Under these conditions, DF extraction efficiency and total dietary fiber content were 95.12% and 84.18%, respectively. The major components of deoiled cumin DF were hemicellulose (37.25%) and cellulose (33.40%). FAC and GAC increased with decreasing DF particle size (51-100 mu m), but decreased with DF particle sizes <26 mu m; BRI increased with decreasing DF particle size. The results revealed that SEAEH is an effective method for extracting DF. DF with particle size 26-51 mu m had improved functional properties. (C) 2015 Published by Elsevier Ltd.

分类号: TS2`TS201.2

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