26895
Its mechanisms of action include : the activation of metabolizing enzymes that detoxify carcinogens ; suppression of the formation of DNA adducts ; antioxidant effects ; regulation of cell - cycle arrest ; induction of apoptosis and differentiation ; histone modification ; and inhibition of angiogenesis and invasion .
 None
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 None