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Changes in body weight, colon length and myeloperoxidase (MPO) activity in control and dextran sodium sulphate (DSS)-treated rat colon. Body weight of rats treated with DSS for 7 days was significantly decreased compared to control rats. Body weight of rats at day 0 was considered 100% (a). Length of the whole colon was significantly decreased in DSS-treated rats (b). MPO activity was significantly increased in the mucosal layer of DSS-treated rat colon (c). **P<0.01, n=6–9.
