期刊
FOOD RESEARCH INTERNATIONAL
卷 173, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.foodres.2023.113334
关键词
Ulcerative colitis; Intestinal inflammation; Natural polysaccharide; Biomass residues; Campomanesia sp
Ulcerative colitis (UC) is a chronic inflammatory bowel disease that can cause various symptoms such as abdominal pain, diarrhea, and weight loss. The efficacy of current treatment options is limited, and therefore, natural products like polysaccharides are being studied as potential alternative therapies. This study investigated the effects of a polysaccharide (CPW) extracted from two plants in an experimental model of UC in mice, and found that CPW improved symptoms and protected the intestinal mucosa.
Ulcerative colitis (UC) is a chronic inflammatory bowel disease (IBD) of the gastrointestinal tract. The etiology is not fully understood, but environmental, microbial, and immunologic factors, as well as a genetic predisposition, play a role. UC is characterized by episodes of abdominal pain, diarrhea, bloody stools, weight loss, severe colonic inflammation, and ulceration. Despite the increase in the frequency of UC and the deterioration of the quality of life, there are still patients who do not respond well to available treatment options. Against this background, natural products such as polysaccharides are becoming increasingly important as they protect the intestinal mucosa, promote wound healing, relieve inflammation and pain, and restore intestinal motility. In this study, we investigated the effect of a polysaccharide isolated from the biomass of Campomanesia adamantium and Campomanesia pubescens (here referred to as CPW) in an experimental model of acute and chronic ulcerative colitis induced by dextran sulfate sodium (DSS). CPW reversed weight loss, increased disease activity index (DAI), bloody diarrhea, and colon shortening. In addition, CPW reduced visceral mechanical hypersensitivity, controlled oxidative stress and inflammation, and protected the mucosal barrier. CPW is not absorbed in the intestine, does not inhibit cytochrome P450 proteins, and does not exhibit AMES toxicity. These results suggest that CPW attenuates DSS-induced acute and chronic colitis in mice and may be a potential alternative treatment for UC.
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