14969
The liver endogenous antioxidant enzymes ( copper / zinc and manganese superoxide dismutase ) expressions were significantly increased in the rats receiving the highest dose of SODB ( 160USOD / day ) whatever the coating .
 Chemical: copper; Chemical: zinc; Chemical: manganese 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: copper; Chemical: zinc; Chemical: manganese superoxide