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On the other hand , studies on the inhibitory effect of these compounds on SOD enzymes showed that while the inhibition of the Fe - SOD enzyme of the promastigote forms of the parasites is remarkable , the inhibition of human CuZn - SOD and Mn - SOD from Escherichia coli is negligible .
 Chemical: Fe; Chemical: CuZn; Chemical: Mn
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: Fe; Chemical: CuZn; Chemical: Mn