17197
Using the HPLC - UV / Vis - online - TEAC approach , distinct changes in composition and antioxidant activity of the flavonoids were detectable .
 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