11122
In the large intestine , where the density of bacteria is much higher than in the small intestine and the transit time much longer , the residual undigested luminal proteins and peptides can be degraded in amino acids by the microbiota .
 Chemical: amino acids
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 acids