591
Panaxadiol ( PD ) is a purified sapogenin of ginseng saponins , which exhibits anticancer activity .
 Chemical: Panaxadiol; Chemical: sapogenin; Chemical: saponins
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: Panaxadiol; Chemical: sapogenin; Chemical: saponins