Microstructure, physicochemical properties, and adsorption capacity of deoiled red raspberry pomace and its total dietary fiber

文献类型： 外文期刊

第一作者： Li, Meixuan

作者： Li, Meixuan;Liu, Yixiao;Bao, Yihong;Wang, Jinling;Bao, Yihong;Wang, Jinling;Luo, Ting;Yang, Guang;Sun, Lanying;Song, Xingshun;Chen, Qihe

作者机构：

关键词： Chemical composition; Dietary fiber; Microstructure; Physicochemical properties; Red raspberry pomace

期刊名称：LWT-FOOD SCIENCE AND TECHNOLOGY （ 影响因子：6.056； 五年影响因子：6.295 ）

ISSN： 0023-6438

年卷期： 2022 年 153 卷

页码：

收录情况： SCI

摘要： The microstructure, physicochemical properties and adsorption capacities of deoiled red raspberry pomace (DRP) and its total dietary fiber (DRPF) were investigated in the study, aiming to evaluate their potential to use as functional food ingredients. The chemical composition showed that both DRP and DRPF were mainly made of lignin. Compared to DRP, DRPF exhibited significantly decreased total contents of sugar, fat, and crude protein, from 13.37%, 5.07% and 2.58% to 1.54%, 1.17% and 1.37%, respectively. The thermal gravity analysis revealed that DRP and DRPF were stable under 162 degrees C and 197 degrees C, respectively. DRPF showed higher water-holding capacity (8.97 g/g vs. 2.62 g/g in DRP), swelling ability (10.18 mL/g vs. 6.93 g/g in DRP) and water solubility (0.25% vs. 0.07% in DRP). DRP had significantly higher in vitro cholesterol, and glucose adsorption capacities. However, better adsorption capacity of toxic ions was shown in DRPF. Based on chemical composition and characteristics, DRP and DRPF are both ideal supplements for dietary fiber and might be suitable to use as anti-obesity ingredients. Moreover, DRPF may be a better choice for toxic ions removing food.

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