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首页> 外文期刊>LWT-Food Science & Technology >In vitro binding capacities and physicochemical properties of soluble fiber prepared by microfluidization pretreatment and cellulase hydrolysis of peach pomace
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In vitro binding capacities and physicochemical properties of soluble fiber prepared by microfluidization pretreatment and cellulase hydrolysis of peach pomace

机译：微流化预处理和桃渣渣纤维素酶水解制备的可溶性纤维的体外结合能力和理化性质

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摘要

The effects of microfluidization coupled with cellulase hydrolysis (MC), solely cellulase hydrolysis (C) and solely water extraction (W) on the in vitro binding capacities of soluble peach fibers (SPFs) to sodium cholate and cholesterol were investigated. The yield and efficiency of soluble fiber production were significantly improved by the MC treatment. Pectic polysaccharides and beta-glucan appeared to be the major components of the three SPFs as indicated by the saccharide composition analysis and FTIR. As opposed to C-SPF and W-SPF, MC-SPF exhibited a greater amount of pectic polysaccharides with a highly branched structure. Moreover, MC-SPF and C-SPF were characterized by a lower molecular weight profile and more significant shear thinning properties compared to W-SPF. The binding capacities of MC-SPF and C-SPF to sodium cholate and cholesterol were much stronger than that of W-SPF, which could be probably attributed to their more sponge-like porous network. (C) 2015 Elsevier Ltd. All rights reserved.
机译：研究了微流化结合纤维素酶水解（MC），仅纤维素酶水解（C）和仅水提取（W）对可溶性桃纤维（SPF）与胆酸钠和胆固醇的体外结合能力的影响。 MC处理显着提高了可溶性纤维的产量和效率。如糖成分分析和FTIR所示，果胶和β-葡聚糖似乎是三种SPF的主要成分。与C-SPF和W-SPF相反，MC-SPF表现出更多的具有高度分支结构的果胶多糖。此外，与W-SPF相比，MC-SPF和C-SPF具有较低的分子量分布和更显着的剪切稀化特性。 MC-SPF和C-SPF对胆酸钠和胆固醇的结合能力比W-SPF强大得多，这可能归因于它们更像海绵的多孔网络。 （C）2015 Elsevier Ltd.保留所有权利。

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