2578
The aqueous fraction ( AF ) obtained by EAE had a better essential amino acid profile than the residues obtained by solvent extraction ( Rs ) and cold pressing ( Rc ) .
 Chemical: amino 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: amino acid