15576
Unlike in trout , ammonia accumulation in carp and goldfish was restored to control levels ( 48 - 84h ) ; which was accompanied with a significant increase in glutamine content as well as GSase activity .
 ammonia, glutamine
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
 ammonia, glutamine