11370
The essential oil from the leaves of Annona sylvatica ( EOAS ) was extracted by hydrodistillation , and the analysis was performed by gas chromatography - mass spectrometry .
 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