丁长河,杜婷,万浩威,董天赐,贾婷婷,侯静杨,谢雨欣

• 1:河南工业大学粮油食品学院
• 2:中原食品实验室

摘要(Abstract)：

为提高油茶籽壳可溶性膳食纤维(SDF)含量，改善其理化特性，该研究以油茶籽壳为原料，通过碱性过氧化氢(AHP)对其进行改性，结合单因素实验和正交实验优化其改性条件。研究ADH对改性前后油菜籽壳膳食纤维(DF)结构和理化特性的影响，结果表明，最佳工艺为pH 11.0、H_2O_2浓度4%、反应时间3 h、料液比1∶15,此工艺下SDF得率达33.55%。扫描电镜、傅里叶变换红外光谱和X射线衍射分析表明，AHP处理能降解木质素和半纤维素，其表面呈现更粗糙且松散多孔的结构，比表面积增大。改性后DF的持水力、持油力、吸水膨胀力分别达到改性前的2.12,1.52,1.24倍。对葡萄糖、胆酸钠、胆固醇、亚硝酸根离子的吸附能力显著提高(P<0.05)。综上所述，AHP处理油茶籽壳能促进不溶性膳食纤维(IDF)转换为SDF,使得SDF含量和理化特性都得到有效提升。

关键词(KeyWords)： 油茶籽壳;碱性过氧化氢;膳食纤维;结构特征;理化特性

Abstract:

Keywords:

基金项目(Foundation): 国家重点研发计划项目(2023YFD2100403-1);; 河南省重点研发计划项目(251111113400)

作者(Author): 丁长河,杜婷,万浩威,董天赐,贾婷婷,侯静杨,谢雨欣

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