Amino acid

Culture period

 Feb Mar  Apr

 May

 Jun

Jul

Aspartic acid 1574.47 ± 46.38a 1422.98 ± 34.04b 1415.36 ± 27.26b 1250.12 ± 35.73c 1087.68 ± 21.32d 1032.76 ± 25.39d
Threonine* 693.70 ± 15.40a 721.08 ± 14.38a 718.71 ± 15.30a 636.35 ± 20.0b 526.62 ± 14.11c 446.02 ± 9.84d
Serine 773.96 ± 17.51a 677.69 ± 14.53b 674.86 ± 8.57b 604.14 ± 13.78c 515.94 ± 3.45d 487.02 ± 9.61d
Glutamic acid 1718.74 ± 43.11a 1623.86 ± 51.29b 1615.31 ± 38.57b 1502.92 ± 34.24c 1223.20 ± 9.64d 1089.29 ± 23.09e
Proline 676.85 ± 18.80a 565.19 ± 11.37b 562.15 ± 16.05b 542.35 ± 12.24b 497.45 ± 9.05c 400.25 ± 6.27d
Glycine 895.55 ± 18.66a 821.67 ± 20.32b 817.98 ± 21.71b 765.58 ± 22.93c 622.11 ± 8.24d 536.65 ± 14.07e
Alanine 1105.96 ± 29.35a 995.41 ± 27.59b 990.79 ± 21.90b 724.24 ± 14.78c 602.70 ± 10.81e 666.54 ± 16.21d
Cystine  N.D. N.D. N.D. N.D. N.D. N.D.
Valine* 592.06 ± 12.43c 773.56 ± 18.45a 769.75 ± 24.25a 694.82 ± 15.83b 557.45 ± 0.26d 384.18 ± 10.56e
Methionine 345.06 ± 10.97a 321.79 ± 7.45b 319.66 ± 7.33b 275.21 ± 5.95c 210.27 ± 2.02d 188.26 ± 3.41e
Isoleucine* 435.32 ± 9.14d 623.87 ± 14.91a 620.55 ± 18.74a 586.15 ± 13.93b 496.92 ± 4.37c 424.00 ± 9.11d
Leucine* 1094.16 ± 26.91b 1174.31 ± 23.05a 1168.03 ± 30.03a 997.35 ± 23.10c 842.37 ± 5.94d 656.88 ± 12.04e
Tyrosine* 366.60 ± 8.37a 299.66 ± 8.00b 297.48 ± 6.15b 285.19 ± 6.73c 272.69 ± 2.88d 222.90 ± 5.42e
Phenylalanine* 636.80 ± 12.54b 697.82 ± 15.93a 693.92 ± 19.42a 585.45 ± 15.41c 512.50 ± 4.42d 393.85 ± 11.04e
Histidine 325.11 ± 7.44c 394.50 ± 11.23a 394.62 ± 9.63a 342.34 ± 4.47b 304.46 ± 3.28d 279.06 ± 3.68e
Lysine* 653.32 ± 17.38b 700.03 ± 15.45a 696.74 ± 22.06a 513.45 ± 15.36c 480.60 ± 6.28d 430.39 ± 9.40e
Arginine 511.63 ± 11.16c 660.01 ± 15.48a 658.02 ± 14.11a 641.75 ± 14.39a 544.90 ± 3.66b 482.10 ± 5.36d
Total 12399.29 ± 293.74a 12473.43 ± 379.31a 12413.91 ± 280.61a 9986.94 ± 217.90b 9217.87 ± 129.32c 7783.17 ± 155.80d
aValues represent means ± standard error (n=3). Mean values in the same row followed by different letters differ significantly (p<0.05).
*Essential amino acid
Table 10: Seasonal variation of total amino acid contents in the dried sea tangle (S. japonica) cultured at Kijang areaa.
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