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Decrease of TBARS level was observed in whole blood when treated with ( 1 ) or ( 2 ) , while levels of glutathione peroxidase and superoxide dismutase were increased in liver .
 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: superoxide