Table 2.

Kinetic parameters of total, essential, and collagen specific, amino acid concentration in plasma after the consumption of collagen and dairy protein sources.

		Cas	HCas	Gel	Pep	LCol	BBr	Significance
TAA	Baseline (μmol/L)	2, 156 ± 234	2, 233 ± 403	2, 155 ± 308	2, 178 ± 331	2, 151 ± 325	2, 254 ± 392	P = 0.6430
	Cmax Obs (μmol/L)	3, 012 ± 407	3, 725 ± 641	3, 525 ± 631	3, 710 ± 670	3, 445 ± 641	3, 552 ± 561	P = 0.0004
	Tmax (min) (min/max)	45 ± 35	35 ± 9	59 ± 28	48 ± 27	47 ± 39	64 ± 24	P = 0.0877
EAA	Baseline (μmol/L)	998 ± 116	1, 044 ± 170	1, 030 ± 135	1, 017 ± 148	1, 000 ± 147	1, 074 ± 142	P = 0.4621
	Cmax Obs (μmol/L)	1, 457 ± 137	1, 946 ± 292	1, 311 ± 211	1, 313 ± 190	1, 270 ± 198	1, 347 ± 138	P <0.0001
	Tmax min (min/max)	47 ± 36	33 ± 10	47 ± 24	35 ± 31	36 ± 42	51 ± 24	P = 0.3310
Proline	Baseline (μmol/L)	168 ± 47	177 ± 49	163 ± 55	173 ± 62	166 ± 49	170 ± 72	P = 0.7901
	Cmax Obs (μmol/L)	282 ± 68	392 ± 71	381 ± 76	431 ± 113	388 ± 89	386 ± 85	P <0.0001
	Tmax min (min/max)	56 ± 34	41 ± 9	61 ± 22	55 ± 27	52 ± 38	103 ± 29	P <0.0001
Glycine	Baseline (μmol/L)	229 ± 67	235 ± 64	226 ± 172	215 ± 176	222 ± 143	229 ± 170	P = 0.5773
	Cmax Obs (μmol/L)	267 ± 67	253 ± 64	674 ± 172	747 ± 176	646 ± 143	666 ± 170	P <0.0001
	Tmax min (min/max)	67 ± 49	39 ± 49	71 ± 25	48 ± 20	53 ± 26	88 ± 24	P = 0.0103
Lysine	Baseline (μmol/L)	174 ± 33	178 ± 31	179 ± 28	178 ± 58	176 ± 33	183 ± 30	P = 0.8818
	Cmax Obs (μmol/L)	273 ± 31	369 ± 65	269 ± 52	271 ± 50	262 ± 48	272 ± 41	P <0.0001
	Tmax min (min/max)	51 ± 36	29 ± 10	45 ± 19	41 ± 18	44 ± 33	51 ± 17	P = 0.1629
Leucine	Baseline (μmol/L)	136 ± 17	144 ± 27	145 ± 26	144 ± 28	140 ± 29	158 ± 29	P = 0.1640
	Cmax Obs (μmol/L)	230 ± 31	351 ± 59	184 ± 29	190 ± 34	181 ± 30	203 ± 28	P <0.0001
	Tmax min (min/max)	47 ± 36	29 ± 10	36 ± 23	29 ± 31	33 ± 41	33 ± 12	P = 0.3768

Data presented as mean ± SD.