Table 2 Amino acid content after the degradation of soybean by the NY100, Bacillus sp. 8A6 keratinase
Amino acid | Unit | CK | Bacillus sp. 8A6 keratinases | Commercial protease NY100 |
|---|---|---|---|---|
Lysine | mg/L | 0.41 | 34.34 | 9.28 |
Phenylalanine | mg/L | 0.97 | 82.81 | 39.13 |
Threonine | mg/L | 0.41 | 14.28 | 26.75 |
Isoleucine | mg/L | 0.28 | 28.24 | 42.92 |
Leucine | mg/L | 0.91 | 56.76 | 82.44 |
Valine | mg/L | 0.93 | 33.93 | 34.64 |
Methionine | mg/L | 55.25 | 100.23 | 66.05 |
Histidine | mg/L | 0.94 | 4.73 | 12.23 |
Glutamic acid | mg/L | 34.91 | 43.7 | 48.67 |
Alanine | mg/L | 1.43 | 14.51 | 7.18 |
Glycine | mg/L | 1.08 | 50.6 | 4.31 |
Aspartic acid | mg/L | 1.96 | 16.53 | 3.42 |
Cystine | mg/L | − (< 2.18) | − (< 2.18) | − (< 2.18) |
Proline | mg/L | 1.1 | 11.21 | 12.97 |
Serine | mg/L | 0.3 | 23.67 | 10.64 |
Tyrosine | mg/L | 0.28 | 37.5 | 46.54 |
Arginine | mg/L | 4.3 | 6.89 | 14.66 |
Total amino acid content | mg/L | 105.46 | 559.93 | 461.83 |