Table 2.
Amino acid compositions of hemp proteins and hydrolysates.
| Amino | Defatted | Hemp Protein | Hemp Protein Isolate | Hemp Protein Fraction | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| His | 3.07 ± 0.01 | 2.78 ± 0.03 | 1.09 ± 0.33 | 2.23 ± 0.20 | 2.85 ± 0.05 | 2.81 ± 0.47 | 2.61 ± 0.06 | 2.47 ± 0.01 | 2.47 ± 0.03 | 2.49 ± 0.08 |
| Arg | 12.68 ± 0.21 | 14.07 ± 0.40 | 6.05 ± 0.56 | 10.64 ± 0.92 | 13.44 ± 0.03 | 9.91 ± 0.91 | 13.87 ± 0.11 | 12.96 ± 0.13 | 13.6 ± 0.25 | 13.31 ± 0.24 |
| Thr | 3.79 ± 0.08 | 3.68 ± 0.29 | 2.06 ± 0.18 | 3.36 ± 0.37 | 3.79 ± 0.10 | 4.57 ± 0.35 | 3.60 ± 0.04 | 3.77 ± 0.35 | 4.01 ± 0.19 | 4.00 ± 0.19 |
| Val | 5.27 ± 0.11 | 4.66 ± 0.02 | 2.51 ± 0.09 | 3.90 ± 0.12 | 3.77 ± 0.40 | 4.98 ± 0.13 | 5.67 ± 0.14 | 5.26 ± 0.11 | 4.45 ± 0.19 | 4.24 ± 0.14 |
| Met | 2.14 ± 0.11 | 1.81 ± 0.39 | 1.83 ± 0.15 | 1.63 ± 0.05 | 3.79 ± 0.10 | 1.39 ± 0.06 | 1.94 ± 0.04 | 2.03 ± 0.06 | 1.85 ± 0.14 | 1.80 ± 0.15 |
| Lys | 3.78 ± 0.09 | 2.97 ± 0.06 | 1.20 ± 0.23 | 1.97 ± 0.18 | 0.89 ± 0.34 | 4.16 ± 0.87 | 3.19 ± 0.11 | 2.94 ± 0.14 | 2.56 ± 0.03 | 2.51 ± 0.07 |
| Ile | 4.23 ± 0.08 | 3.84 ± 0.07 | 1.93 ± 0.02 | 3.12 ± 0.10 | 3.02 ± 0.40 | 3.99 ± 0.08 | 4.15 ± 0.13 | 4.16 ± 0.11 | 3.98 ± 0.05 | 3.90 ± 0.04 |
| Leu | 7.12 ± 0.05 | 6.75 ± 0.04 | 3.13 ± 0.08 | 4.90 ± 0.19 | 7.13 ± 0.11 | 6.63 ± 0.23 | 9.91 ± 0.06 | 7.26 ± 0.10 | 5.15 ± 0.04 | 4.82 ± 0.43 |
| Phe | 4.76 ± 0.09 | 4.60 ± 0.04 | 2.34 ± 0.19 | 3.86 ± 0.42 | 5.12 ± 0.02 | 4.57 ± 0.11 | 7.68 ± 0.05 | 5.01 ± 0.14 | 3.21 ± 0.02 | 2.85 ± 0.40 |
| Non-essential | ||||||||||
| Trp | 0.76 ± 0.05 | 1.23 ± 0.16 | 0.04 ± 0.00 | 0.02 ± 0.00 | 0.55 ± 0.02 | NA | 1.58 ± 0.01 | 1.44 ± 0.15 | 1.16 ± 0.12 | 1.11 ± 0.02 |
| Asp | 11.34 ± 0.37 | 11.39 ± 0.03 | 4.06 ± 0.40 | 6.55 ± 0.48 | 12.35 ± 0.34 | 9.41 ± 0.39 | 9.49 ± 0.06 | 11.70 ± 0.29 | 12.79 ± 0.47 | 12.70 ± 0.11 |
| Ser | 5.57 ± 0.11 | 4.63 ± 0.09 | 2.37 ± 0.23 | 3.90 ± 0.31 | 6.31 ± 0.21 | 5.18 ± 0.02 | 4.73 ± 0.21 | 4.79 ± 0.19 | 4.69 ± 0.07 | 4.47 ± 0.38 |
| Glu | 18.41 ± 0.13 | 20.06 ± 1.34 | 6.92 ± 0.45 | 11.46 ± 0.82 | 18.86 ± 0.35 | 16.14 ± 0.26 | 15.18 ± 0.96 | 19.31 ± 1.04 | 22.71 ± 1.58 | 22.87 ± 1.02 |
| Gly | 4.74 ± 0.07 | 4.29 ± 0.23 | 2.01 ± 0.24 | 3.19 ± 0.29 | 4.79 ± 0.23 | 3.99 ± 0.06 | 3.23 ± 0.06 | 3.93 ± 0.07 | 4.54 ± 0.20 | 4.71 ± 0.44 |
| Ala | 4.89 ± 0.10 | 4.47 ± 0.16 | 1.79 ± 0.04 | 2.73 ± 0.09 | 5.01 ± 0.14 | 4.50 ± 0.36 | 4.91 ± 0.06 | 4.77 ± 0.12 | 4.30 ± 0.19 | 4.12 ± 0.09 |
| Pro | 2.66 ± 0.69 | 4.00 ± 0.07 | 1.73 ± 0.07 | 2.66 ± 0.10 | 3.02 ± 0.00 | 4.53 ± 0.39 | 3.19 ± 0.33 | 4.04 ± 0.56 | 4.23 ± 0.11 | 4.89 ± 0.73 |
| Cys | 1.22 ± 0.02 | 1.32 ± 0.23 | 0.71 ± 0.02 | 0.99 ± 0.06 | 0.89 ± 0.34 | 0.17 ± 0.01 | 0.29 ± 0.13 | 0.66 ± 0.01 | 1.26 ± 0.07 | 1.58 ± 0.28 |
| Tyr | 3.79 ± 0.08 | 3.45 ± 0.00 | 1.51 ± 0.13 | 2.71 ± 0.26 | 3.79 ± 0.10 | 3.67 ± 0.23 | 4.78 ± 0.02 | 3.50 ± 0.02 | 3.06 ± 0.06 | 3.62 ± 0.96 |
| Reference | [76] | [59] | [77] | [77] | [76] | [7] | [59] | [59] | [59] | [59] |
Note: Each value is the mean and standard deviation and all values are expressed in g of amino acid per 100 g of protein. NA is not available.