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. 2019 Mar 21;11(3):678. doi: 10.3390/nu11030678

Table 1.

Composition of duodenal and bile juices in the simulated small intestinal fluid.

Duodenal Juice Bile Juice
Inorganic components 40 mL NaCl 175.3 g/L 30 mL NaCl 175.3 g/L
40 mL NaHCO3 84.7 g/L 68.3 mL NaHCO3 84.7 g/L
10 mL KH2PO4 8 g/L 4.2 mL KCl 89.6 g/L
6.3 mL KCl 89.6 g/L
10 mL MgCl2 5 g/L
250 μL HCl 35% 350 μL HCl 35%
Organic components 4 mL urea 25 g/L 10 mL urea 25 g/L
Mixture of organic and inorganic solution 1 9 mL CaCl2 16.8 g/L 10 mL CaCl2 16.8 g/L
1 g BSA 1.8 g BSA
15 g bile salts 2
pH 6.4 ± 0.2 6.4 ± 0.2

1 Mixture of inorganic and organic solution was set up to 500 mL with distilled water. 2 The 15 g of bile salts were replaced by 30 g of bile extract in the simulated model of small intestinal digestion.