Structural Characterization of Water-Soluble Pectin from the Fruit of Diospyros lotus L. and Its Protective Effects against DSS-Induced Colitis in Mice
文献类型： 外文期刊
作者： Zhang, Jixiang 1 ; Sun, Zhenou 1 ; Cheng, Liting 1 ; Kang, Ji 1 ; Liu, Yan 2 ; Zhao, Yi 1 ; Xiao, Meng 1 ; Liu, Huanhuan 1 ; Zhu, Qiaomei 1 ; Guo, Qingbin 1 ; Lin, Changbin 3 ;
作者机构： 1.Tianjin Univ Sci & Technol, Coll Food Sci & Engn, State Key Lab Food Nutr & Safety, Tianjin 300457, Peoples R China
2.Zhejiang Agr & Forestry Univ, Coll Food & Hlth, Hangzhou 311300, Zhejiang, Peoples R China
3.Sichuan Acad Agr Sci, Inst Agroprod Proc Sci & Technol, Chengdu 610066, Sichuan, Peoples R China
关键词：
期刊名称：JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY （ 影响因子：6.2； 五年影响因子：6.4 ）
ISSN： 0021-8561
年卷期： 2025 年 73 卷 2 期
页码：
收录情况： SCI
摘要： Polysaccharides from Diospyros lotus L. were investigated for their structural characterization and anti-inflammatory activity. Four low polymer dispersity index (PDI) subfractions were obtained: DRP-1 (153.95 kDa), DRP-2 (61.22 kDa), DRP-3 (22.80 kDa), and DRP-4 (8.93 kDa), respectively. DRP-4 contained the highest number of RG-I domains (43.25%), while DRP-1 had the highest degree of methyl esterification (37.5%). Results from the dextran sulfate sodium (DSS) salt-induced ulcerative colitis (UC) mice model indicated that DCP promoted mucosal and tight junction protein (caudin-1 and occludin) expression. Moreover, DCP improved the microbial community composition through selective enrichment of beneficial bacteria such as Lachnospiraceae and Lactobacillaceae. The anti-inflammatory activity of DCP was speculated to be related to its neutral sugar side chain and low esterification degree. These results suggested that DCP could prevent DSS-induced colitis and inhibit colon inflammation by maintaining a balanced gut microbiome and protecting the colon mucosal barrier.
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