18388
In the resveratrol + As2O3 - treated group , activities of glutathione peroxidase , catalase , and superoxide dismutase , the ratio of reduced glutathione to oxidized glutathione , the total arsenic concentrations , and the percentage of methylated arsenic in urine were significantly increased .
 Chemical: resveratrol; Chemical: As2O3; Chemical: glutathione; Chemical: superoxide; Chemical: glutathione; Chemical: oxidized glutathione; Chemical: arsenic; Chemical: methylated arsenic
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: resveratrol; Chemical: As2O3; Chemical: glutathione; Chemical: superoxide; Chemical: glutathione; Chemical: oxidized glutathione; Chemical: arsenic; Chemical: methylated arsenic