Table 1.

Amino acid composition of three collagen fractions (F1, F2, and F3) obtained from the skin and bones of M. merluccius.

Amino Acid	Collagen Fractions (nmols/mg)
	F1	F2	F3
OHpro	416.31 ± 53	421.03 ± 148	440.01 ± 18
Asp	397.96 ± 22	455.76 ± 54	413.03 ± 40
Thr	225.60 ± 15	246.02 ± 36	232.79 ± 18
Ser	414.09 ± 26	463.12 ± 96	439.29 ± 45
Glu	577.27 ± 34	672.81 ± 79	604.96 ± 50
Pro	713.18 ± 47	750.22 ± 216	740.38 ± 31
Gly	2402.60 ± 211	2469.78 ± 701	2480.66 ± 27
Ala	920.25 ± 52	972.22 ± 242	925.32 ± 56
Cys	20.95 ± 3	24.87 ± 7	20.72 ± 4
Val	163.85 ± 16	177.08 ± 11	169.62 ± 10
Met	130.92 ± 6	138.62 ± 15	129.39 ± 14
Ile	79.78 ± 8	92.88 ± 10	84.71 ± 5
Leu	174.65 ± 7	216.24 ± 40	190.23 ± 26
Tyr	43.71 ± 9	62.04 ± 28	46.93 ± 24
Phe	123.56 ± 10	155.46 ± 36	130.66 ± 31
Ohlys	37.95 ± 5	56.61 ± 25	52.12 ± 17
His	63.14 ± 2	74.60 ± 14	67.69 ± 11
Lys	228.61 ± 6	262.17 ± 30	225.91 ± 25
Arg	368.93 ± 30	386.26 ± 92	380.43 ± 22