7475
We studied the in vitro antioxidant and in vivo hepatoprotective activities of a 70 % ethanolic extract of L . obtusiloba ( LOE ) containing 62 . 9 % quercitrin and 22 . 0 % afzelin .
 Chemical: quercitrin; Chemical: afzelin
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: quercitrin; Chemical: afzelin