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While protein levels of the main hepatic bile acid transporters were unchanged , the rate - limiting enzyme in the bile acid synthesis , Cyp7a1 , was significantly increased by EGCG .
 Chemical: bile acid; Chemical: bile acid; Chemical: EGCG
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: bile acid; Chemical: bile acid; Chemical: EGCG