Table 3.
Percent amino acid composition of hemp seed protein isolate (HPI) and fractions (2S, 7S, and 11S).
| Amino Acids | 2S | 7S | 11S | HPI | FAO-/WHO-Suggested Requirements (2–5 Years) |
|---|---|---|---|---|---|
| Asx | 7.50 | 9.15 | 11.04 | 11.60 | |
| Thr | 4.14 | 3.79 | 3.44 | 3.49 | 3.4 |
| Ser | 5.01 | 5.04 | 5.61 | 5.36 | |
| Glx | 25.63 | 20.95 | 18.44 | 18.13 | |
| Pro | 3.93 | 3.87 | 3.74 | 3.64 | |
| Gly | 5.75 | 4.17 | 4.06 | 4.18 | |
| Ala | 5.86 | 5.46 | 5.18 | 5.19 | |
| Cys | 4.88 | 2.24 | 1.56 | 1.22 | |
| Val | 3.07 | 4.87 | 4.74 | 5.32 | 3.5 |
| Met | 2.17 | 2.53 | 2.48 | 1.71 | |
| Ile | 1.99 | 3.70 | 3.81 | 4.36 | 2.8 |
| Leu | 4.02 | 6.34 | 6.61 | 6.90 | 6.6 |
| Tyr | 2.46 | 3.14 | 3.70 | 3.53 | |
| Phe | 1.43 | 3.67 | 4.49 | 4.78 | |
| His | 3.20 | 3.14 | 2.93 | 2.91 | 1.9 |
| Lys | 6.36 | 6.45 | 3.44 | 3.28 | 5.8 |
| Arg | 12.45 | 10.79 | 13.55 | 13.24 | |
| Trp | 0.18 | 0.70 | 1.19 | 1.14 | 1.1 |
| HAA | 30.86 | 38.45 | 40.00 | 40.80 | |
| AAA | 4.07 | 7.51 | 9.38 | 9.45 | 6.3 |
| NCAA | 33.13 | 30.1 | 29.04 | 29.73 | |
| PCAA | 22.01 | 20.38 | 19.92 | 19.43 | |
| SCAA | 7.05 | 4.77 | 4.04 | 2.93 | 2.5 |
| EAA | 26.56 | 35.19 | 33.13 | 33.89 | 32.8 |
| BCAA | 9.08 | 14.91 | 15.16 | 16.58 | |
| Arg/Lys ratio | 1.96 | 1.67 | 3.94 | 4.04 |
Asx = aspartic acid + asparagine; Glx = glutamic acid + glutamine; AAA = aromatic amino acids; BCAA = branched-chain amino acids; HAA = hydrophobic amino acids; NCAA = negatively charged amino acids; PCAA = positively charged amino acids; SCAA = sulfur-containing amino acids; EAA = essential amino acids.