18739
The activities of dehydroascorbate reductase ( DHAR ) and glyoxalase I ( Gly I ) decreased at any levels of As , while glutathione peroxidase ( GPX ) and glyoxalase II ( Gly II ) activities decreased only upon 0 . 5 mM As .
 Chemical: dehydroascorbate; Chemical: As; Chemical: glutathione; Chemical: As
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: dehydroascorbate; Chemical: As; Chemical: glutathione; Chemical: As