Table 3.
The measured contents of amino acids in seeds of Nitraria tangutorum Bobr. (mg/g).
| Amino Acid | Region | ||||||
|---|---|---|---|---|---|---|---|
| Dagele | Zongjia | Nuomuhong | Delingha | Hedong | Dulan | Gahai | |
| His | 1.54 ± 0.06 | 1.35 ± 0.04 | 1.62 ± 0.05 | 2.13 ± 0.07 | 1.98 ± 0.06 | 1.80 ± 0.04 | 1.47 ± 0.05 |
| Orn | 0.58 ± 0.02 | 0.34 ± 0.01 | 0.65 ± 0.02 | 0.29 ± 0.01 | 0.51 ± 0.01 | 0.49 ± 0.01 | 0.36 ± 0.01 |
| Arg | 10.98 ± 0.38 | 12.06 ± 0.41 | 13.16 ± 0.45 | 10.78 ± 0.42 | 8.93 ± 0.29 | 9.56 ± 0.39 | 8.78 ± 0.31 |
| Lys * | 0.43 ± 0.01 | 0.34 ± 0.01 | 0.29 ± 0.01 | 0.62 ± 0.02 | 0.52 ± 0.02 | 0.45 ± 0.01 | 0.69 ± 0.02 |
| Ser | 3.90 ± 0.14 | 4.31 ± 0.16 | 3.89 ± 0.11 | 5.02 ± 0.19 | 7.08 ± 0.25 | 2.97 ± 0.11 | 2.76 ± 0.11 |
| Asp | 6.91 ± 0.24 | 6.56 ± 0.26 | 5.98 ± 0.23 | 8.09 ± 0.31 | 6.32 ± 0.22 | 6.70 ± 0.25 | 6.99 ± 0.28 |
| Glu | 16.21 ± 0.61 | 14.89 ± 0.53 | 17.34 ± 0.60 | 17.87 ± 0.63 | 16.43 ± 0.61 | 15.89 ± 0.59 | 14.79 ± 0.55 |
| Thr * | 2.22 ± 0.07 | 2.67 ± 0.08 | 1.99 ± 0.07 | 3.13 ± 0.11 | 2.78 ± 0.09 | 4.01 ± 0.13 | 3.90 ± 0.14 |
| Gly | 4.31 ± 0.16 | 5.12 ± 0.20 | 4.67 ± 0.18 | 3.32 ± 0.13 | 6.03 ± 0.24 | 5.21 ± 0.21 | 3.65 ± 0.13 |
| Trp * | 0.98 ± 0.03 | 1.23 ± 0.04 | 0.87 ± 0.03 | 0.62 ± 0.02 | 1.15 ± 0.03 | 0.96 ± 0.03 | 0.69 ± 0.02 |
| Ala | 3.65 ± 0.13 | 2.87 ± 0.08 | 3.54 ± 0.12 | 4.12 ± 0.16 | 2.98 ± 0.12 | 3.76 ± 0.13 | 3.02 ± 0.12 |
| Tyr | 1.76 ± 0.07 | 1.23 ± 0.03 | 2.03 ± 0.07 | 1.69 ± 0.06 | 0.98 ± 0.03 | 1.54 ± 0.05 | 1.43 ± 0.04 |
| Pro | 4.13 ± 0.15 | 5.09 ± 0.20 | 3.89 ± 0.14 | 4.54 ± 0.17 | 3.67 ± 0.15 | 5.54 ± 0.22 | 3.67 ± 0.13 |
| Met * | 0.23 ± 0.01 | 0.11 ± 0.01 | 0.34 ± 0.01 | 0.24 ± 0.01 | 0.17 ± 0.01 | 0.09 ± 0.01 | 0.14 ± 0.01 |
| Val * | 4.33 ± 0.15 | 4.78 ± 0.18 | 3.98 ± 0.16 | 3.34 ± 0.13 | 5.12 ± 0.19 | 4.68 ± 0.17 | 5.42 ± 0.21 |
| Phe * | 3.23 ± 0.14 | 3.45 ± 0.12 | 3.76 ± 0.13 | 2.87 ± 0.09 | 4.05 ± 0.12 | 4.65 ± 0.18 | 3.97 ± 0.16 |
| Ile * | 2.35 ± 0.09 | 1.89 ± 0.07 | 3.11 ± 0.12 | 2.67 ± 0.09 | 2.09 ± 0.08 | 3.56 ± 0.13 | 2.54 ± 0.10 |
| Leu * | 5.46 ± 0.21 | 5.78 ± 0.24 | 6.04 ± 0.23 | 4.79 ± 0.18 | 5.88 ± 0.23 | 5.34 ± 0.20 | 5.41 ± 0.24 |
| T | 73.2 ± 0.88 | 74.07 ± 0.87 | 77.15 ± 0.90 | 76.13 ± 0.93 | 76.67 ± 0.89 | 77.20 ± 0.91 | 69.68 ± 0.84 |
| E | 19.23 ± 0.32 | 20.25 ± 0.34 | 20.38 ± 0.34 | 18.28 ± 0.28 | 21.76 ± 0.35 | 23.74 ± 0.37 | 22.76 ± 0.40 |
| NE | 53.97 ± 0.82 | 53.82 ± 0.79 | 56.77 ± 0.84 | 57.85 ± 0.89 | 54.91 ± 0.82 | 53.46 ± 0.83 | 46.92 ± 0.74 |
| E/T (%) | 26.27 | 27.34 | 26.42 | 24.01 | 28.38 | 30.75 | 32.66 |
| E/NE (%) | 35.63 | 37.63 | 35.90 | 31.60 | 39.63 | 44.41 | 48.51 |
Note *: essential amino acids; E: total content of essential amino acids; NE: total content of non-essential amino acids; T: total content of amino acids.