5249
Rats received a 48 - h iv infusion of saline or Intralipid plus heparin ( IH ) ( to elevate free fatty acid levels ~ 2 - fold ) followed by hyperglycemic clamp or islet secretion studies ex vivo .
 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