Table 9. Muscle amino acid composition (%, amino acid) of red seabream (Pagrus major) fed the three experimental diets for 8 weeks

	CON	MX20	MX40
Essential amino acids
Arg	6.42 ± 0.03	6.47 ± 0.04	6.50 ± 0.14
His	2.56 ± 0.05	2.63 ± 0.05	2.54 ± 0.12
Ile	4.60 ± 0.00	4.54 ± 0.06	4.55 ± 0.08
met	3.27 ± 0.07	3.33 ± 0.05	3.32 ± 0.07
Leu	9.29 ± 0.26	8.99 ± 1.24	9.61 ± 0.16
Lys	9.66 ± 0.11	9.62 ± 0.12	9.57 ± 0.13
Phe	4.28 ± 0.09	4.38 ± 0.09	4.27 ± 0.15
Thr	5.07 ± 0.04	5.06 ± 0.04	5.06 ± 0.05
Val	4.54 ± 0.03	4.60 ± 0.13	4.57 ± 0.09
Non-essential amino acids
Ala	6.22 ± 0.11	6.33 ± 0.05	6.26 ± 0.10
Asp	10.2 ± 0.08	10.1 ± 0.25	9.94 ± 0.18
Cys	1.01 ± 0.04	0.99 ± 0.12	1.03 ± 0.08
Glu	15.5 ± 0.16	15.4 ± 0.25	15.5 ± 0.33
Gly	4.72 ± 0.14	4.95 ± 0.16	4.90 ± 0.29
Pro	3.42 ± 0.46	3.26 ± 0.74	3.22 ± 0.54
Ser	4.17 ± 0.05	4.24 ± 0.07	4.23 ± 0.07
Tyr	3.65 ± 0.22	3.58 ± 0.23	3.56 ± 0.28

Values are the mean of triplicate groups and are presented as mean ± SE.
CON, considered as control.