In vitro and In vivo digestion comparison of bee pollen with or without wall-disruption

文献类型： 外文期刊

第一作者： Wu, Wei

作者： Wu, Wei;Qiao, Jiangtao;Xiao, Xingying;Kong, Lingjie;Dong, Jie;Zhang, Hongcheng;Wu, Wei;Qiao, Jiangtao;Xiao, Xingying;Kong, Lingjie;Dong, Jie;Zhang, Hongcheng

作者机构：

关键词： bee pollen; wall-disruption; static in vitro digestion; dynamic in vitro digestion; in vivo digestion

期刊名称：JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE （ 影响因子：3.638； 五年影响因子：3.802 ）

ISSN： 0022-5142

年卷期： 2021 年 101 卷 7 期

页码：

收录情况： SCI

摘要： BACKGROUND: Bee pollen is considered as a treasure trove of human and animal nutrients as a result of its extensive nutritional and therapeutic properties. However, the sophisticated pollen wall can largely limit the digestibility and bioavailability of these nutrients. RESULTS: An ultrasonication and high shear technique was used to break the walls of five species of bee pollen, including rape bee pollen, lotus bee pollen, camellia bee pollen, wuweizi bee pollen and apricot bee pollen. We compared the digestibilities of bee pollen with or without wall-disruption. After in vitro and in vivo digestion, unbroken bee pollen grains were still intact and the fragments of wall-disrupted bee pollen still remained as fragments. Mouse in vivo digestion results suggested that the wall-disrupted bee pollen was more easily emptied from the gastrointestinal tract than unbroken bee pollen. After dynamic in vitro digestion, the digestibilities of protein and crude fat in wall-disrupted bee pollen significantly increased to more than 80%; similarly, the release rates of amino acids and reducing sugars in all wall-disrupted samples were almost 1.5 and 2 times as much as those of unbroken samples. CONCLUSION: Based on the results obtained in the present study, we strongly recommend that bee pollen should be wall-disrupted. (c) 2020 Society of Chemical Industry

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