24877
PbAc caused oxidant / antioxidant imbalances as reflected by increased lipid peroxidation and decreased activities of superoxide dismutase , glutathione peroxidase , and catalase .
 Chemical: PbAc; Chemical: superoxide; Chemical: glutathione
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: PbAc; Chemical: superoxide; Chemical: glutathione