Release of pancreatic enzymes in response to a pure carbohydrate meal and fate of enzymes during small intestinal transit*.39
| Duodenum | Jejunum | Ileum | ||||
|---|---|---|---|---|---|---|
| Concentration | Output | Concentration | Output | Concentration | Output | |
| *Data refer to protein and enzyme concentrations and outputs during the postprandial period which was defined as time span between first appearance and delivery of >95% of the meal marker to each intestinal site (219 minutes in the duodeum, 251 minutes in the jejunum, and 257 minutes in the ileum). | ||||||
| †p<0.05 v duodenum. | ||||||
| Protein (mg/ml/g) | 5.9 | 4.6 | 3.5 | 2.2 | 5.1 | 1.5 |
| Lipase (U/ml/kU) | 220 | 177 | 29† | 13† | 7† | 2† |
| Amylase (U/ml/kU) | 943 | 538 | 1201† | 456† | 2215* | 400† |
| Trypsin (U/ml/kU) | 117 | 66 | 136 | 43† | 126 | 15† |