The modulation effect of lotus (Nelumbo nucifera Gaertn.) seeds oligosaccharides with different structures on intestinal flora and action mode of growth effects on Bifidobacterium in vivo and in vitro
文献类型： 外文期刊
作者： Ma, Xiaoqing 1 ; Zheng, Zhichang 1 ; Wang, Qi 2 ; Zuo, Jiaxin 1 ; Ju, Jianing 1 ; Zheng, Baodong 1 ; Lu, Xu 1 ;
作者机构： 1.Fujian Agr & Forestry Univ, Coll Food Sci, 15 Shangxiadian Rd, Fuzhou 350002, Peoples R China
2.Fujian Acad Agr Sci, Inst Agr Engn, Fuzhou 350003, Peoples R China
3.Fujian Agr & Forestry Univ, Inst Food Sci & Technol, 18 Simon Pit Rd, Fuzhou 350002, Peoples R China
4.Fujian Agr & Forestry Univ, China Ireland Int Cooperat Ctr Food Mat Sci & Stru, Fuzhou 350002, Peoples R China
5.Teagasc, Food Res Ctr, Food Chem & Technol Dept, Fermoy, Co Cork, Ireland
关键词： Lotus seed; Oligosaccharides; Fecal gut microbiota; Prebiotics; Bifidobacterium; In vitro fermentation; Structures; Structure activity relationship
期刊名称：FOOD CHEMISTRY （ 影响因子：8.8； 五年影响因子：8.6 ）
ISSN： 0308-8146
年卷期： 2023 年 419 卷
页码：
收录情况： SCI
摘要： Natural lotus seed oligosaccharides monomers (LOSs: LOS3-1, LOS3-2, and LOS4) were prepared by preparative chromatography and were hydroxyl-labeled with fluorescein isothiocyanate (FITC). The prebiotic properties of LOSs by the gut microbiota of male Balb/C mice in vivo and in vitro were studied. In vivo experiment results showed that LOS4 could significantly increase the average daily food consumption, weight, liver index and the abundance of Bacteroides and Bifidobacterium for mice (p < 0.05). In addition, LOS4 also had significant pro-liferation effect on Bifidobacterium adolescentis and longum in vitro (p < 0.05). Laser confocal microscopy observation showed interaction site between LOS4-FITC and Bifidobacterium adolescentis was located outside and inside of cell, which was completed within 1 h. The relationship between structures of LOSs and prebiotics of intestinal flora (especially Bifidobacterium), and expanded the knowledge on the effects of carbohydrate poly-merization degree (DP) and glycosidic bond connection with fermentation selectivity of bacteria was studied.
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