Table 6.
Literature values for residence time in the stomach, residence time in the small intestine and small intestinal flow rates.
Time for half-emptying - stomach (min) | Fasted | Mean | 15.8 (300mL water)a, 12 (saline)b, 75 (glucose)c | ||
Range | 11.5–17.0 (300mL water)a | ||||
Fed | Mean | 44±15 (liquids)121, 105±21 (solids) 121, 40±13121, 32±7 (liquids)122, 46±9 (liquids)122, 67±9 (liquids)122, 76±6 (liquids)122, 72d, 69d | |||
Range | 69–93d, 50–76d | ||||
Time for complete emptying - stomach (min) | Fasted | Mean | 25a | ||
Fed | Mean | 40d | |||
Transit time - entire small intestine (min) | Fasted | Mean | 192 (coated pellets)e | ||
Range | 90–324 (coated pellets)e, 132–354 (pellets)f, 54–372 (tablets)f | ||||
Fed | Mean | 276±99 h (liquids) 121, 342±120 hg | |||
Range | |||||
Transit time - duodenum to jejunum (min)123, | Fed | Mean | 32±3 (40kcal/h) 30±1 (90kcal/h), 32±2 (160kcal/h) | ||
Transit time - duodenum to ileum (min)123 | Fed | Mean | 59±2 (160kcal/h), 47±3 (40kcal/h), 47±2 (90kcal/h) | ||
Flow rate - jejunum (mL/min)h | Fasted | Mean | 0.73 | ||
Fed | Mean | 3.0 | |||
Flow rate – ileum (mL/min)h | Fasted | Mean | 0.33 | ||
Fed | Mean | 2.35 |