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Bauer ketone 24 was totally metabolized to more hydrophilic metabolites when administered as a single compound , but was also glucuronidated when present in Echinacea extracts .
 Chemical: ketone
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: ketone