6248
Thus , the influence of M . purpurea extracts was investigated on the activity of CYP2D6 and CYP3A4 , which are the most important P450 isoenzymes from the pharmacological and toxicological points of view .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
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