15893
Inflammation was assessed by evaluating inflammatory markers / parameters ( colon weight / colon length ratio and myeloperoxidase activity ) , by histological analysis and immunohistochemistry ; interleukin - 1 beta , interleukin - 10 and interferon - gamma levels by ELISA , inducible nitric oxide synthase ( iNOS ) and cyclooxygenase - 2 ( COX - 2 ) by western blot and RT - PCR ; CuZn - superoxide dismutase ( SOD ) activity by a colorimetric assay .
 Chemical: nitric oxide; Chemical: CuZn; Chemical: superoxide
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: nitric oxide; Chemical: CuZn; Chemical: superoxide