Quality Characteristics and Moisture Mobility of Giant Salamander (Andrias davidianus) Jerky during Roasting Process
Table 3
Amino acid profiles (g·100 g−1) of giant salamander jerky as affected by roasting time.
Amino acids
Content (g·100 g−1)
0 min
20 min
40 min
60 min
80 min
Aspartic acid (Asp)
7.29 ± 0.03a
6.16 ± 0.18b
7.25 ± 0.02a
5.99 ± 0.09b
7.04 ± 0.10a
Threonine (Thr)
3.45 ± 0.05a
2.92 ± 0.02b
3.43 ± 0.22a
2.84 ± 0.14b
3.33 ± 0.06a
Serine (Ser)
3.26 ± 0.02a
2.88 ± 0.16b
3.17 ± 0.08a
2.68 ± 0.02b
2.92 ± 0.01b
Glutamic acid (Glu)
11.3 ± 0.15a
9.65 ± 0.09b
11.2 ± 0.10a
9.35 ± 0.06b
10.9 ± 0.08a
Glycine (Gly)
4.08 ± 0.01a
4.24 ± 0.03a
3.68 ± 0.03b
3.38 ± 0.07c
3.70 ± 0.04b
Alanine (Ala)
4.94 ± 0.03a
4.38 ± 0.11b
4.76 ± 0.04a
4.04 ± 0.13c
4.82 ± 0.07a
Cysteine (Cys)
0.70 ± 0.10a
0.69 ± 0.04a
0.65 ± 0.02ab
0.61 ± 0.04b
0.62 ± 0.06b
Valine (Val)
3.40 ± 0.05a
2.87 ± 0.02b
3.40 ± 0.03a
2.83 ± 0.02b
3.41 ± 0.10a
Methionine (Met)
1.85 ± 0.03b
1.49 ± 0.09c
1.96 ± 0.22a
1.54 ± 0.10c
1.93 ± 0.08a
Isoleucine (Ile)
3.44 ± 0.04a
2.87 ± 0.17b
3.46 ± 0.05a
2.84 ± 0.06b
3.42 ± 0.09a
Leucine (Leu)
5.95 ± 0.12a
5.04 ± 0.06b
6.00 ± 0.04a
4.94 ± 0.09b
5.88 ± 0.20a
Tyrosine (Tyr)
2.50 ± 0.08a
2.06 ± 0.20b
2.53 ± 0.21a
2.03 ± 0.10b
2.38 ± 0.04c
Phenylalanine (Phe)
3.08 ± 0.02a
2.59 ± 0.04b
3.08 ± 0.08a
2.58 ± 0.12b
2.98 ± 0.19a
Lysine (Lys)
6.68 ± 0.04a
5.54 ± 0.06c
6.71 ± 0.03a
5.44 ± 0.17c
6.31 ± 0.05b
Histidine (His)
1.83 ± 0.09a
1.56 ± 0.07b
1.83 ± 0.08a
1.52 ± 0.04b
1.81 ± 0.02a
Arginine (Arg)
4.72 ± 0.07a
4.35 ± 0.20a
4.63 ± 0.16a
3.84 ± 0.04b
4.54 ± 0.06a
Proline (Pro)
3.07 ± 0.13a
3.03 ± 0.08a
2.86 ± 0.04b
2.67 ± 0.09b
3.03 ± 0.02a
Tryptophan (Trp)
0.23 ± 0.02a
0.20 ± 0.01a
0.19 ± 0.05a
0.21 ± 0.02a
0.20 ± 0.03a
TAA
71.77 ± 1.45a
62.32 ± 0.93b
70.79 ± 1.09a
59.33 ± 0.86b
69.22 ± 0.81a
EAA
31.40 ± 0.00a
26.54 ± 0.00b
31.39 ± 0.00a
25.94 ± 0.00b
30.76 ± 0.00a
Data were expressed as mean ± standard deviation of three determinations. Different lowercase letters in the same row indicate significant differences (). TAA: total amino acid; EAA (essential amino acids) = ∑Lys + Phe + Val + Ala + Met + Leu + Ile + Trp + His.