6246
The cytotoxic effect of methanolic and aqueous extracts from M . purpurea was studied on the most frequently used cell lines : HeLa and BHK - 21 .
 None
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 None