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Dammarane Sapogenins ( DS ) , with main ingredients of protopanaxatriol ( PPT , 33 % ) and protopanaxadiol ( PPD , 16 % ) , is an alkaline hydrolyzed product of ginsenosides and had significant activities in improving learning and memory and decreasing chemotherapy - induced myelosuppression .
 Chemical: Dammarane Sapogenins; Chemical: protopanaxatriol; Chemical: PPT; Chemical: protopanaxadiol; Chemical: PPD; Chemical: ginsenosides
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: Dammarane Sapogenins; Chemical: protopanaxatriol; Chemical: PPT; Chemical: protopanaxadiol; Chemical: PPD; Chemical: ginsenosides