2619
The peel of kiwifruit , which is a by - product of processing , is a good source of flavonoids ; however , its bioactivity has not been widely investigated .
 Chemical: flavonoids
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: flavonoids