8735
Enzyme - based grapefruit juice ( GFJ ) - drug interactions are mainly due to mechanism - based irreversible inhibition of metabolizing enzyme CYP3A4 by GFJ components , but the transporter organic anion transporting polypeptide ( OATP ) 2B1 is also a putative site of interaction between drugs and fruit juices ( FJ ) in the absorption process .
 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