Table 3.

Change in myofibrillar protein-bound labeling between 2 muscle biopsies in the basal state and after ingestion of milk protein (38 g) in healthy young men

		Postprandial, min
Tracer (ΔMuscle Protein Bound, MPE)	Basal (−120 to 0 min)	0–60	60–120	120–180	180–300
l-[1-13C]phenylalanine		0.0042 ± 0.0008	0.0041 ± 0.0014	0.0085 ± 0.0027	0.0033 ± 0.0026
l-[ring-2H5]phenylalanine	0.0036 ± 0.0010	0.0025 ± 0.0006	0.0023 ± 0.0005	0.0028 ± 0.0009	0.0058 ± 0.0009
l-[1-13C]leucine	0.0036 ± 0.0003	0.0053 ± 0.0014	0.0032 ± 0.0016	0.0059 ± 0.0016	0.0062 ± 0.0021

Data are means ± SE; n = 7. MPE, mole percent excess.