28709
ETHNOPHARMACOLOGICAL RELEVANCE : To evaluate the antiprotozoal activity and cytotoxicity of extracts and fractions from the leaves , root bark and stem bark of Alstonia congensis ( Apocynaceae ) , used in traditional medicine against parasitic diseases .
 None
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:  
Answer:
 None