20702
While there were no differences in insulin or glucose - dependent insulinotropic polypeptide concentrations , glucagon concentrations were higher after breakfast and lunch ( p = 0 . 002 for each ) for active pellets .
 glucose
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
 glucose