Table 2.

Changes of FAA contents in GCC during room temperature storage.

Amino acids	Concentration (mg/100 g)
	T0	T1	T2	T3	T4	T5
Aliphatic amino acid	558.79 ± 0.95d	603.83 ± 17.36c	622.24 ± 5.55c	692.98 ± 8.66b	694.22 ± 12.35b	918.42 ± 8.88a
Thr	5.74 ± 0.19 bc	8.36 ± 2.28 a	6.84 ± 0.24 ab	7.94 ± 0.13 a	6.89 ± 0.19 ab	4.25 ± 0.34 c
Val	4.44 ± 0.09 e	4.60 ± 0.04 e	6.89 ± 0.19 d	9.77 ± 0.51 c	14.21 ± 0.67 b	37.40 ± 0.88 a
Met	1.44 ± 0.21 e	1.85 ± 0.06 e	3.36 ± 0.06 d	7.85 ± 0.80 c	11.75 ± 0.79 b	21.12 ± 0.85 a
Leu	4.87 ± 0.14 e	4.10 ± 0.34 e	8.83 ± 1.09 d	14.71 ± 0.62 c	22.69 ± 0.68 b	61.61 ± 0.86 a
Lys	31.00 ± 1.23 b	29.65 ± 1.25 b	36.20 ± 0.69 a	25.26 ± 0.80 c	12.06 ± 0.81 d	9.15 ± 0.34 e
Ile	7.20 ± 0.15 c	12.38 ± 0.90 b	16.62 ± 0.07 a	15.46 ± 1.35 a	5.37 ± 1.63 c	2.67 ± 0.43 f
Glu	12.27 ± 0.80 b	11.53 ± 0.24 b	19.66 ± 0.74 a	nd	nd	nd
Asn	nd	nd	nd	55.85 ± 0.55 c	86.05 ± 1.18 b	107.38 ± 6.25 a
Gln	113.15 ± 3.54 d	133.77 ± 7.66 c	127.04 ± 4.76 c	148.45 ± 3.13 b	154.32 ± 5.53 b	215.45 ± 1.76 a
Arg	11.39 ± 0.37 f	80.22 ± 0.62 e	106.77 ± 0.78 d	138.14 ± 1.95 c	173.52 ± 1.09 b	267.74 ± 0.53 a
Ala	19.01 ± 0.73 a	nd	nd	nd	nd	nd
Tau	261.72 ± 0.79 a	245.08 ± 3.67 b	210.68 ± 2.18 d	238.10 ± 2.63 c	207.35 ± 3.91 d	191.65 ± 2.58 e
Gly	86.56 ± 1.36 a	72.29 ± 1.54 c	79.37 ± 0.90 b	31.45 ± 0.63 d	nd	nd
Aromatic amino acid	31.52 ± 0.60f	38.02 ± 1.28e	44.91 ± 0.70d	126.21 ± 1.09c	155.32 ± 1.63b	212.86 ± 0.91a
Tyr	2.39 ± 0.26 e	2.62 ± 0.14 e	4.26 ± 0.03 d	7.91 ± 0.15 a	7.47 ± 0.17 b	4.96 ± 0.15 c
Trp	29.13 ± 0.72 f	35.41 ± 1.17 e	40.65 ± 0.72 d	118.30 ± 1.23 c	147.84 ± 1.71 b	207.89 ± 0.88 a
Heterocyclic amino acid	26.25 ± 0.49b	6.15 ± 0.64e	40.99 ± 0.11a	24.57 ± 0.80c	17.31 ± 0.56d	nd
Pro	20.75 ± 0.52 c	nd	37.27 ± 0.14 a	22.34 ± 0.67 b	15.46 ± 0.41 d	nd
His	5.50 ± 0.21 a	6.15 ± 0.64 a	3.72 ± 0.24 b	2.23 ± 0.16 c	1.85 ± 0.15 c	nd
∑FAA	616.56 ± 0.94 f	648.00 ± 19.11 e	708.14 ± 6.06 d	843.76 ± 8.47 c	866.84 ± 13.16 b	1131.28 ± 8.44 a

Different letters represented significant difference (P < 0.05); nd means not detected.