1458
Fruit - based cancer prevention entities , such as flavonoid and their derivatives , have demonstrated a marked ability to inhibit preclinical models of epithelial cancer cell growth and tumor formation .
 Chemical: flavonoid
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: flavonoid