17212
These results suggest that thiol - containing diotides derived from dioscorin hydrolysis exhibit antioxidant activities and reveal the benefits of yam tuber as an antioxidant - rich food .
 Chemical: thiol; Chemical: dioscorin
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: thiol; Chemical: dioscorin