Compound spleen-tonifying composition alleviates dextran sulfate sodium-induced ulcerative colitis in rats

Figure 2 Effects of compound spleen-tonifying composition and its extract on histological changes. A: Hematoxylin-eosin staining of colon tissue from compound spleen-tonifying composition (CSTC), chloroform extract, petroleum ether extract, ethyl acetate extract, and n-butanol extract groups (× 200); B: Histopathological scores of colonic tissues; n = 8. ^aP < 0.05, dextran sulfate sodium (DSS) group vs control group; ^bP < 0.05, positive group vs DSS group; ^cP < 0.05, CSTC high dose group vs DSS group; ^dP < 0.05, CSTC medium dose group vs DSS group; ^eP < 0.05, ethyl acetate group vs DSS group; ^fP < 0.05, N-butanol vs DSS group. DSS: Dextran sulfate sodium; CSTC-H: Compound spleen-tonifying composition high dose; CSTC-M: Compound spleen-tonifying composition medium dose; CSTC-L: Compound spleen-tonifying composition low dose.