Table 4.

Amino acid iAUC following sheep and cow milk.

Amino acida	Cow milk	Sheep milk	p valueb
Isoleucine	6,367 ± 336	7,465 ± 501	0.012
Leucine	10,417 ± 572	14,627 ± 901	<0.001
Valine	12,307 ± 702	17,606 ± 1,225	<0.001
Lysine	7,604 ± 605	9,652 ± 705	0.008
Methionine	1,361 ± 144	1,860 ± 170	<0.001
Threonine	3,520 ± 441	4,602 ± 650	0.073
Phenylalanine	1,713 ± 157	1,946 ± 187	0.140
Histidine	1,658 ± 257	1,958 ± 279	0.423
Tryptophan	−124 ± 43	−29 ± 45	0.076
Proline	17,639 ± 891	20,476 ± 1,087	0.003
Glutamic acid	1,309 ± 462	2,025 ± 319	0.055
Aspartic acid	55 ± 53	198 ± 41	0.024
Tyrosine	3,991 ± 213	4,097 ± 322	0.733
Asparagine	2,065 ± 185	2,340 ± 253	0.220
Glutamine	14,304 ± 1,700	13,122 ± 1,585	0.536
Serine	2,754 ± 321	2,519 ± 371	0.499
Arginine	1,541 ± 238	1,824 ± 220	0.195
Alanine	6,760 ± 2,046	4,716 ± 1,828	0.305
Cystine	−29 ± 12	−13 ± 10	0.243
Glycine	−3,241 ± 654	−4,768 ± 621	0.037c
Ornithine	1,922 ± 178	2,209 ± 206	0.169
Citrulline	−1,511 ± 112	−1,280 ± 120	0.124
Hydroxyproline	−91 ± 41	−126 ± 58	0.615
1-Methylhistidine	−132 ± 52	−270 ± 94	0.140
3-Methylhistidine	−82 ± 25	−38 ± 27	0.192
αAminobutyric acid	61 ± 244	85 ± 433	0.959
Taurine	−308 ± 328	51 ± 388	0.441

^aValues presented as means ± SEM in μmol·L⁻¹·min⁻¹.

^bSignificance analyzed by Student's t-test.

^cAlthough p < 0.05 for Gly, t < t_crit and the null hypothesis was not rejected.