15778
The hexane fraction from leaves ( HL ) and ethyl acetate ( EAR ) , chloroform ( CR ) and hydromethanolic ( HMR ) fractions from roots were the most active fractions against K - 562 with GI ( 50 ) values being lower than 1 mu g mL ( - 1 ) .
 Chemical: hexane; Chemical: ethyl acetate; Chemical: chloroform
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: hexane; Chemical: ethyl acetate; Chemical: chloroform