23770
Among the human recombinant P450 enzymes tested , P450 2B6 was the most active enzyme in the formation of the hydroxylated metabolites of BDE - 47 .
 Chemical: BDE - 47
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: BDE - 47