948
Leaves of Olea europaea , cultivar Nocellara del Belice , were examined with respect to the medium - polar fraction , obtained by an ethyl acetate extraction of the whole extract .
 Chemical: ethyl acetate
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: ethyl acetate