1149
Activities of superoxide dismutase ( SOD ) , peroxidase ( POX ) and catalase ( CAT ) were determined in fresh leaves obtained from 15 - day seedlings .
 Chemical: superoxide
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
 Entities: superoxide 
Answer:
 Chemical: superoxide