with modifications. Initially, the samples (25 g) were homogenized in 225mL of 0.5 g/100 mLNaCl solution. For the gastric phase simulation, the pH of aliquots (10mL) was adjusted to 2.1e2.6
with 0.5 mL of HCl (0.5 mol equi/L) and 0.3 mL of pepsin solution (3 g/L, porcine stomach mucosa P6887,