Salvia miltiorrhiza polysaccharide and its related metabolite 5-methoxyindole-3-carboxaldehyde ameliorate experimental colitis by regulating Nrf2/Keap1 signaling pathway

Yuping Fu, Xi Peng, Chaowen Zhang, Quan-Xing Jiang, Cen-Yu Li, Berit Smestad Paulsen, Frode Rise, Chao Huang, Bin Feng, Lixia Li, Xingfu Chen, Renyong Jia, Yangping Li, Xinghong Zhao, Gang Ye, Huaqiao Tang, Xiao-Xia Liang, Cheng Lv, Mengliang Tian, Zhongqiong Yin, Yuanfeng Zou