28843
Screening for polyphenols , antioxidant and antimicrobial activitiesof extracts from eleven Helianthemum taxa ( Cistaceae ) used in folk medicine in south - eastern Spain .
 Chemical: polyphenols
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: polyphenols