METHODS	Fed jejunal motility was induced by an intrajejunal perfusion of lipid ( Lipofundin medium-chained triglyceride 10 % ) at 1.5 mL min ( -1 ) [ 1.5 kcal min ( -1 ) ] for 180 min through the most proximal port of a manometry catheter ( eight ports spaced at 2-cm intervals ) located just distal to the ligament of Treitz .\