Structural elucidation and structure-activity relationship of Porphyra haitanensis polysaccharide for preventing ulcerative colitis: Targeting the immune-microbiota-metabolism axis.
Polysaccharides from Porphyra haitanensis exhibited potential against ulcerative colitis (UC), whereas the mechanism remained unclear. In this study, Porphyra haitanensis polysaccharide (PP) was extracted by high-pressure-assisted hot water method. PP was characterized as a sulfated amorphous polysaccharide mainly cons...