17371
No significant differences in fatty acid concentrations of economy and standard chicken burgers were found , whereas economy chicken nuggets had higher C16 : 1 , C18 : 1 cis , C18 : 1 trans and C18 : 3 n - 3 concentrations than had standard ones .
 Chemical: fatty acid
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: fatty acid 
Answer:
 Chemical: fatty acid