TABLE 1.

Preparation of simulated digestion fluids

Composition	Solution concentration		SGF		SIF
	g/L	mol/L	Volume/ml	Concentration (mmol/L)	Volume/ml	Concentration (mmol/L)
KCl	37.3	0.5	6.9	6.9	6.8	6.8
KH2PO4	68.0	0.5	0.9	0.9	0.8	0.8
NaHCO3	84.0	1.0	12.5	25.0	42.5	85.0
NaCl	117.0	2.0	11.8	47.2	9.6	38.4
MgCl(H2O)6	30.5	0.15	0.4	0.1	1.1	0.33
(NH4)2CO3	48.0	0.5	0.5	0.5	–	–
CaCl(H2O)2	44.1	0.3	–	0.15	–	0.6

Note: The final volumes of SGF and SIF are both 500 ml.