4451
Cortex Phellodendron chinensis ( CPC ) and Cortex Phellodendron amurensis ( CPA ) derived from the dried bark of Phellodendron chinense Schneid . or Phellodendron amurense Rupr . , respectively , are used interchangeably in clinical practice under the name " Huang Bai " for centuries in Chinese medicine for the treatment of various inflammatory conditions .
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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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