370
The MKA improved the level of protective antioxidants such as glutathione peroxidase ( GPx ) , reduced glutathione ( GSH ) , glutathione reductase ( GRD ) , superoxide dismutase ( SOD ) and catalase ( CAT ) in brain homogenate at higher doses ( 20 and 40 mg / kg , p . o . ) .
 Chemical: glutathione; Chemical: reduced glutathione; Chemical: GSH; Chemical: glutathione; 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: glutathione; Chemical: reduced glutathione; Chemical: GSH; Chemical: glutathione; Chemical: superoxide