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Development of self - microemulsifying drug delivery system for oral bioavailability enhancement of berberine hydrochloride .
 Chemical: berberine hydrochloride
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
 Entities: berberine hydrochloride 
Answer:
 Chemical: berberine hydrochloride