期刊论文

中文

天然产物研究与开发

1001-6880

2022

34

9

1530-1538

高校国家级大学生创新创业训练计划项目（202110541060）； 湖南中医药大学双一流食品科学与工程学科建设经费（4901020000200902）；

本校为第一机构

为筛选荷叶不溶性膳食纤维(lotus leaf insoluble dietary fiber,LIDF)作为高纤维食品辅料开发的最佳粒径,对比分析了4种颗粒粒径LIDF的结构、理化及感官品质。通过扫描电镜、傅里叶红外光谱及X衍射光谱分析发现酶解后LIDF表面出现孔洞,粒径越小荷叶内质网格状纤维暴露越多,LIDF具有纤维素特征官能团结构,粒径越小纤维素结晶度指数越低。在研究的颗粒粒径范围内随着LIDF粒径减小,LIDF总黄酮、总多酚含量减小,不溶性膳食纤维含量以及体外吸附特性增加,粉体a*值和b*值增加,产品感官评分增高。综合多方面指标评价出D_(50) 58.35 μm LIDF作为高纤维食品辅料的开发潜力较好。

In order to screen the optimal particle size of lotus leaf insoluble dietary fiber as a high fiber food excipient,the structure,physicochemical and sensory qualities of four particle sizes of lotus leaf insoluble dietary fibers were compared and analyzed.By scanning electron microscopy,fourier infrared spectroscopy and X-ray diffraction spectroscopy,the results showed that holes appeared on the surface of lotus leaf insoluble dietary fibers after enzymatic hydrolysis,and with the decrease of particle size,the more internal grid fibers of lotus ...