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Adsorption activity of coconut (Cocos nucifera L.) cake dietary fibers: effect of acidic treatment, cellulase hydrolysis, particle size and pH

机译:椰子(Cocos Nucifera L.)蛋糕膳食纤维的吸附活性:酸性处理,纤维素酶水解,粒度和pH的影响

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摘要

The effects of acidic treatment, cellulase hydrolysis, particle size distribution and pH on the adsorption capacity of defatted coconut cake dietary fibers (DCCDF) were studied. The results demonstrated that cellulase hydrolysis could significantly improve the soluble dietary fiber content, water holding ability and adsorption ability of DCCDF on cholesterol, bile and nitrite ions. Acidic treatment enhanced the oil holding capacity and adsorption ability in cholesterol and nitrite ions. Moreover, the adsorption ability of DFs in cholesterol, nitrite and bile all increased with reduced particle size (250 to 167 mm), and DCCDF demonstrated a higher adsorption capacity at pH 2.0 than at pH 7.0. The change in adsorption capacity of DCCDF might be suitable for application in the food industry as a low-calorie and cholesterol lowering functional ingredient.
机译:研究了酸性处理,纤维素酶水解,粒度分布和pH对脱脂椰子饼膳食纤维(DCCDF)的吸附能力的影响。 结果表明,纤维素酶水解可以显着改善DCCDF在胆固醇,胆汁和亚硝酸盐离子上的可溶性膳食纤维含量,水持能力和吸附能力。 酸性处理增强了胆固醇和亚硝酸盐离子的油持有能力和吸附能力。 此外,DFS在胆固醇,亚硝酸盐和胆汁中的吸附能力随着粒度降低(250至167mm)而增加,DCCDF在pH 2.0时显示比pH 7.0更高的吸附能力。 DCCDF的吸附能力的变化可能适用于食品工业中的应用,作为低热量和降低功能性成分。

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  • 来源
    《RSC Advances》 |2018年第6期|共7页
  • 作者单位

    Shanxi Normal Univ Inst Food Sci Linfen 041004 Peoples R China;

    Shanxi Normal Univ Inst Food Sci Linfen 041004 Peoples R China;

    Shanxi Normal Univ Inst Food Sci Linfen 041004 Peoples R China;

    Shanxi Normal Univ Inst Food Sci Linfen 041004 Peoples R China;

    Zhejiang Gongshang Univ Sch Food Sci &

    Biotechnol Hangzhou 310018 Zhejiang Peoples R China;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 化学;
  • 关键词

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