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We investigated the effects of three preparations of Panax ginseng , Panax notoginseng , isolated ginsenosides , and the polyacetylene panaxynol on Trypanosoma brucei brucei and the human cancer cell line HeLa .
 Chemical: ginsenosides; Chemical: polyacetylene; Chemical: panaxynol
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: ginsenosides; Chemical: polyacetylene; Chemical: panaxynol