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首页> 外文期刊>RSC Advances >Adsorption activity of coconut (Cocos nucifera?L.) cake dietary fibers: effect of acidic treatment, cellulase hydrolysis, particle size and pH
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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：椰子饼膳食纤维的吸附活性：酸处理，纤维素酶水解，粒径和pH值的影响

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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 μm), 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：研究了酸处理，纤维素酶水解，粒径分布和pH值对脱脂椰子饼膳食纤维（DCCDF）吸附能力的影响。结果表明，纤维素酶水解可显着提高DCCDF对胆固醇，胆汁和亚硝酸根离子的可溶性膳食纤维含量，保水能力和吸附能力。酸处理增强了油的吸收能力和对胆固醇和亚硝酸根离子的吸附能力。此外，DFs在胆固醇，亚硝酸盐和胆汁中的吸附能力均随着粒径（250至167μm）的减小而增加，并且DCCDF在pH 2.0时的吸附能力高于在pH 7.0时。 DCCDF吸附能力的变化可能适合作为低热量和降低胆固醇功能成分的食品工业应用。

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