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Furthermore , the content of thiobarbituric acid - reactive substances ( TBARS ) , and catalase and superoxide dismutase ( SOD ) in liver , heart and kidney decreased significantly after oral administration of the ethyl acetate extract , compared with those of HCD - fed rats .
 Chemical: thiobarbituric acid; Chemical: superoxide; Chemical: ethyl acetate
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: thiobarbituric acid; Chemical: superoxide; Chemical: ethyl acetate