Table 3. Plasma levels of free amino acids and amino acid derivatives (µmol/100 mL) in rats after 50 weeks of diet administration.

	Dietary supplementation1				Statistical significance of variance ratio (P)2, effects of
	Control	TTA	FO	TTA+FO	TTA	FO	TTA*FO
Asparagine	9.85±2.03	14.85±2.69	12.87±3.99	16.89±2.01	<0.001	0.007	0.58
Arginine	8.87±1.57	5.60±1.37	10.29±2.51	8.30±2.10	<0.001	0.002	0.30
Aspartic acid	1.37±0.28	2.00±0.40	1.70±0.31	1.92±0.53	0.002	0.32	0.12
Citrulline	7.35±1.51	12.00±2.96	7.98±2.35	9.60±1.86	<0.001	0.22	0.04
Glutamine	53.85±5.04	71.64±13.26	60.11±9.97	71.30±8.88	<0.001	0.34	0.29
Glutamate	10.82±3.15	14.83±2.63	16.36±2.94	15.41±3.37	0.12	0.003	0.01
Glycine	23.44±4.87	37.46±11.88	25.08±3.28	40.11±11.65	<0.001	0.45	0.86
Histidine	5.93±0.80	15.67±6.99	8.06±1.66	11.39±1.53	<0.001	0.36	0.01
1-Methylhistidine	1.01±0.50	0.76±0.37	1.61±0.49	0.99±0.48	0.006	0.008	0.20
Phenylalanine	5.60±0.83	7.95±1.17	7.09±1.13	7.15±0.85	0.001	0.30	0.001
Serine	34.96±8.01	59.80±13.53	43.27±5.30	72.18±14.00	<0.001	0.005	0.56
Taurine	18.05±2.95	20.88±4.11	16.12±1.75	25.61±8.12	<0.001	0.37	0.04
Threonine	41.89±10.75	91.64±28.64	26.66±7.23	90.11±17.77	<0.001	0.15	0.24
Tryptophane	119±31.21	197±63.70	134±17.41	173±38.02	<0.001	0.74	0.14
Tyrosine	9.10±1.77	15.72±3.75	12.01±3.49	12.36±2.57	0.001	0.82	0.002
Valine	18.29±3.26	22.68±4.32	17.70±2.93	22.81±2.57	<0.001	0.83	0.73
Alanine	61.68±14.24	74.89±13.15	73.20±21.45	66.58±10.26	0.50	0.74	0.05
Cysteine	0.41±0.45	0.52±0.73	0.47±0.92	0.87±0.74	0.27	0.38	0.51
Isoleucine	7.20±1.34	7.86±1.58	6.53±1.30	7.69±1.27	0.04	0.34	0.57
Leucine	13.48±2.51	15.21±3.40	13.76±2.26	15.94±2.47	0.03	0.55	0.79
Lysine	53.16±6.03	45.19±11.06	54.60±12.19	46.67±6.26	0.01	0.62	0.99
Methionine	6.24±0.86	6.64±0.77	6.94±1.29	6.87±0.98	0.60	0.14	0.46
Ornithine	5.74±1.94	7.65±2.02	6.14±0.90	7.30±1.57	0.006	0.97	0.48
Phenylethylamine	7.43±1.27	6.72±1.24	6.21±1.56	7.59±1.01	0.42	0.67	0.02
Phosphatidylserine	2.80±0.34	3.09±0.78	3.03±0.51	3.03±0.38	0.42	0.61	0.40
Proline	32.69±7.51	36.18±10.47	36.77±11.35	31.14±8.55	0.50	0.86	0.08

¹Values are mean ± SD (n = 10).

²P-values from two-way ANOVA, where TTA*FO denotes the interaction effect.