22390
Fatty acid extracts did not require further manipulation before final analysis by RP - LC / ESI - MS / MS , indicating the utility and relative simplicity of this technique for future screening studies .
 Chemical: Fatty acid
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: Fatty acid