8985
Roggiano peppers exhibited the highest antioxidant activity using beta - carotene bleaching test with IC ( 50 ) values of 38 . 1 and 24 . 9 mu g / mL for total extract and n - hexane fraction , respectively .
 Chemical: beta - carotene; Chemical: n - hexane
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: beta - carotene; Chemical: n - hexane