25081
The extracts were digested with a mixture of pepsin - HCl for 2h , followed by a 2h incubation with pancreatin and bile salts including a cellulose dialysis tubing ( molecular weight cut - off 12kDa ) at 37 degrees C with shaking in the dark and under N2 .
 Chemical: HCl; Chemical: bile salts
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: HCl; Chemical: bile salts