Effect of HS and NS on histological scores in mice with DSS-induced colitis. The histological score in DSS colitis was improved by treatment with 4 ml/kg HS (HS4, n = 6) and 8 ml/kg HS (HS8, n = 10), but not with 4 ml/kg NS (NS4, n = 6) or 8 ml/kg NS (NS8, n = 10). Statistical analysis was done by ANOVA. *P < 0.05 and **P < 0.0001 vs. DSS mice without further treatment (DSS, n = 12). Values represent means ± SE.