Table 1.

Composition of gastrointestinal juices of the “fed” in vitro gastrointestinal digestion model (for 1000ml of juice).

Saliva (pH 6.8± 0.1)	Gastric juice (pH 1.3± 0.1)	Intestinal juice (pH 8.1± 0.1)
896 mg KCl	2752 mg NaCl	7012 mg NaCl
200 mg KSCN	306 mg NaH2PO4-H2O	3388 mg NaHCO3
1021 mg NaH2PO4-H2O	824 mg KCl	80 mg KH2PO4
570 mg Na2SO4	302 mg CaCl2	564 mg KCl
298 mg NaCl	306 mg NH4Cl	50 mg MgCl2.6H2O
1694 mg NaHCO3	6.5 ml 37% HCl	180 μl 37% HCl
200 mg urea	650 mg glucose	100 mg urea
290 mg amylase *	20 mg glucuronic acid	151 mg CaCl
15 mg uric acid	85 mg urea	1 g BSA *
25 mg mucin *	330 mg glucoseaminehydrochloride	9 g pancreatin *
Milli-Q water	1 g BSA *	Milli-Q water
	2.5 g pepsin *
	3 g mucin *
	Milli-Q water

^*Proteins included in the incubation with proteins but not in the incubation without proteins.