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Walter on antioxidant enzyme activities such as peroxidases ( PODs ) , super oxide dismutases ( SODs ) and catalase ( CAT ) and on total protein contents ( TPC ) , cellular injury ( CI ) , and malondialdehyde ( MDA ) in the germinating seeds of Brassica napus L .
 Chemical: super oxide; Chemical: malondialdehyde; Chemical: MDA
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: super oxide; Chemical: malondialdehyde; Chemical: MDA