MPO and colitis: The MPO activity was significantly increased in the DSS colitis group (0.1456 ± 0.05091 U/mg of tissue) compared to non-colitis (0.03246 ± 0.0009483 U/mg of tissue) and other surface protein treated groups viz. MTCC 5690 (0.06290 ± 0.05503 U/mg of tissue), MTCC 5689 (0.1009 ± 0.008527 U/mg of tissue) and NCFM (0.04074 ± 0.008087 U/mg of tissue) mice groups.