Table 1.
Amino acid | SCP | SCPHs prepared by five enzymes | ||||
---|---|---|---|---|---|---|
Flavourzyme | Trypsin | Neutrase | Papain | Alcalase | ||
Asp | 7.87 ± 0.14 | 6.69 ± 0.08 | 6.52 ± 0.11 | 6.20 ± 0.12 | 6.69 ± 0.09 | 7.59 ± 0.05 |
Thr | 2.26 ± 0.05 | 1.94 ± 0.07 | 1.89 ± 0.10 | 1.81 ± 0.12 | 1.97 ± 0.07 | 2.26 ± 0.09 |
Ser | 3.47 ± 0.14 | 2.96 ± 0.06 | 2.88 ± 0.09 | 2.74 ± 0.10 | 2.97 ± 0.05 | 3.36 ± 0.08 |
Glu | 21.49 ± 0.36 | 18.02 ± 0.22 | 17.83 ± 0.15 | 17.05 ± 0.17 | 18.35 ± 0.14 | 20.08 ± 0.26 |
Gly | 3.02 ± 0.21 | 2.56 ± 0.10 | 2.46 ± 0.14 | 2.36 ± 0.07 | 2.60 ± 0.12 | 2.84 ± 0.16 |
Ala | 4.07 ± 0.13 | 3.44 ± 0.15 | 3.33 ± 0.08 | 3.20 ± 0.07 | 3.47 ± 0.11 | 3.89 ± 0.12 |
Cys | 0.25 ± 0.12 | 0.53 ± 0.06 | 0.43 ± 0.08 | 0.42 ± 0.06 | 0.47 ± 0.05 | 0.23 ± 0.10 |
Trp | Not determined | |||||
Val | 1.93 ± 0.10 | 1.65 ± 0.05 | 1.75 ± 0.07 | 1.48 ± 0.05 | 1.59 ± 0.09 | 1.74 ± 0.12 |
Met | 1.39 ± 0.14 | 0.90 ± 0.10 | 1.18 ± 0.06 | 0.77 ± 0.08 | 0.75 ± 0.10 | 0.71 ± 0.07 |
Ile | 2.84 ± 0.11 | 2.49 ± 0.05 | 2.40 ± 0.09 | 2.29 ± 0.06 | 2.51 ± 0.10 | 2.81 ± 0.12 |
Leu | 5.91 ± 0.21 | 5.02 ± 0.19 | 4.96 ± 0.18 | 4.71 ± 0.10 | 5.07 ± 0.09 | 5.75 ± 0.14 |
Tyr | 2.08 ± 0.05 | 1.67 ± 0.12 | 1.61 ± 0.07 | 1.53 ± 0.05 | 1.64 ± 0.06 | 1.62 ± 0.10 |
Phe | 3.26 ± 0.14 | 2.65 ± 0.10 | 2.70 ± 0.07 | 2.59 ± 0.12 | 2.82 ± 0.12 | 3.22 ± 0.09 |
Lys | 2.34 ± 0.10 | 1.94 ± 0.07 | 1.95 ± 0.12 | 1.86 ± 0.05 | 1.99 ± 0.10 | 2.26 ± 0.12 |
His | 1.32 ± 0.09 | 1.07 ± 0.07 | 1.02 ± 0.10 | 0.98 ± 0.06 | 1.10 ± 0.07 | 1.28 ± 0.10 |
Arg | 9.49 ± 0.26 | 8.12 ± 0.17 | 7.96 ± 0.14 | 7.52 ± 0.19 | 7.94 ± 0.22 | 8.83 ± 0.20 |
Pro | 2.03 ± 0.07 | 1.87 ± 0.05 | 1.76 ± 0.09 | 1.53 ± 0.06 | 1.67 ± 0.09 | 1.97 ± 0.07 |
% amino acid distribution | ||||||
hydrophobic | 21.42 ± 0.57 | 18.02 ± 0.45 | 18.08 ± 0.37 | 16.57 ± 0.33 | 17.89 ± 0.39 | 20.09 ± 0.29 |
(+) charged | 13.15 ± 0.27 | 11.14 ± 0.19 | 10.94 ± 0.15 | 10.36 ± 0.17 | 11.02 ± 0.19 | 12.37 ± 0.15 |
(−) charged | 29.36 ± 0.49 | 24.72 ± 0.21 | 24.35 ± 0.14 | 23.25 ± 0.19 | 25.04 ± 0.09 | 27.67 ± 0.24 |