Gut microbiome-based thiamine metabolism contributes to the protective effect of one acidic polysaccharide from <i>Selaginella uncinata</i> (Desv.) Spring against inflammatory bowel disease.

"sample processing and chromatographic conditions are provided in the supplementary data 2 4 10 raw264 7 cells were cultured in dulbecco's modified eagle medium (procell wuhan china) supplemented with d -glucose (4 5 g/l) 1% penicillin-streptomycin and 10% fetal bovine serum (fbs) at 37 ?"

"Declaration of competing interest The authors declare that there are no conflicts of interest."

"The authors gratefully acknowledge the funding from the Spring City Plan of the High-Level Talent Promotion and Training Project of Kunming, China (Grant No.: 2022SCP008) and the Independent Research Fund of Yunnan Characteristic Plant Extraction Laboratory, China (Grant No.: 2022YKZY001). Haochen Hui: Methodology, Investigation, Writing - Original draft preparation, Visualization; Zhuoya Wang: Investigation, Visualization; Xuerong Zhao: Investigation, Resources, Supervision; Lina Xu: Writing - Reviewing and Editing; Lianhong Yin: Formal analysis, Resources, Supervision; Feifei Wang: Resources, Funding acquisition, Project administration; Liping Qu and Jinyong Peng: Supervision, Funding acquisition, Project administration."