24529
Activities of superoxide dismutase ( SOD ) , peroxidase ( POD ) , catalase ( CAT ) , and ascorbate peroxidase ( APX ) in plant materials were analyzed in vivo .
 Chemical: superoxide; Chemical: ascorbate
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: superoxide; Chemical: ascorbate