Table 1. Amino Acid Composition and Content of the Mixed Solution (Pr&CaS) from Raw Shrimp Shells (0 MPa) and ICSE-Treated (2.2 MPa) Shrimp Shellsa.
| amino acid | 0 MPa | 2.2 MPa |
|---|---|---|
| phosphoserine | 17.88 | 29.80 |
| taurine | 26.93 | 22.06 |
| aspartic acid | 1.15 | 62.76 |
| threonine | 1.28 | 15.36 |
| serine | 23.02 | 95.85 |
| asparagine | 2.10 | 0.00 |
| glutamic acid | 24.69 | 580.80 |
| α-aminoadipic acid | 73.73 | 21.42 |
| glycine | 2034.85 | 57.40 |
| alanine | 1.58 | 219.46 |
| citrulline | 5.87 | 398.85 |
| α-aminobutyric acid | 1.57 | 13.58 |
| valine | 1.79 | 0.00 |
| cystine | 663.27 | 0.00 |
| cystha | 498.63 | 101.65 |
| methionine | 25.74 | 13.85 |
| isoleucine | 11.12 | 0.00 |
| leucine | 37.86 | 18.77 |
| norleucine | 3.47 | 48.00 |
| tyrosine | 7.04 | 65.58 |
| phenylalanine | 5.61 | 0.00 |
| homocystine | 24.33 | 0.00 |
| β-alanine | 939.84 | 167.77 |
| β-aminoisobutyric acid | 0.80 | 0.00 |
| γ-aminobutyric acid | 218.48 | 262.85 |
| histidine | 316.30 | 290.93 |
| 3-methylhistidine | 3.29 | 243.09 |
| 1-methylhistidine | 11.34 | 4.50 |
| tryptophan | 151.54 | 0.00 |
| anserine | 14.84 | 1.59 |
| hydroxylysine | 80.50 | 0.00 |
| ornithine | 239.45 | 0.00 |
| lysine | 154.73 | 74.33 |
| ethanolamine | 1.60 | 11.75 |
| arginine | 20.92 | 452.64 |
| hydroxyproline | 4.51 | 23.14 |
| proline | 23.36 | 3.39 |
| total | 5675.96 | 3309.25 |
Unit: mg/L.