28348
Superoxide dismutase ( SOD ) activity and the levels of glutathione peroxidase ( GSH - Px ) and malondialdehyde ( MDA ) were measured .
 Chemical: Superoxide; Chemical: glutathione; Chemical: GSH; Chemical: malondialdehyde; Chemical: MDA
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, glutathione, GSH, malondialdehyde, MDA 
Answer:
 Chemical: Superoxide; Chemical: glutathione; Chemical: GSH; Chemical: malondialdehyde; Chemical: MDA