Table 1.
Compositions of simulated gastrointestinal juices

Saliva stock solution	Gastric stock solution	Duodenal stock solution	Bile stock solution
500 mL Deionized water	500 mL Deionzied water	500 mL Deionzied water	500 mL Deionzied water
58.5 mg NaCl	2.752 g NaCl	7.012 g NaCl	5.259 g NaCl
74.5 mg KCl	0.824 g KCl	0.564 g KCl	0.376 g KCl
1.05 g NaHCO3	0.266 g NaH2PO4	3.388 g NaHCO3	5.785 g NaHCO3
0.2 g Urea	0.399 g CaCl22H2O	80.0 mg KH2PO4
	0.306 g NH4Cl	50.0 mg MgCl2
	0.085 g urea	0.1 g Urea	0.25 g Urea
	6.5 mL Concentrated HCl	0.18 mL Concentrated HCl	0.15 mL Concentrated HCl
adjuncts
0.5 g Mucin	2.5 g Pepsin	9.0 g Pancreatin	30 g Bile salts
1.0 g α-Amylase	3.0 g Mucin	1.5 g Lipase
PH
6.8±0.2	1.30±0.02	8.1±0.2	8.2±0.2