TABLE 3.
Summary of limit of detection (LOD), limit of quantification (LOQ), determination coefficient (r 2), inter‐lab recovery and relative standard deviations (RSD) of eight amino acids in veterinary medicine.
| Recovery (RSD) (%) | |||||||
|---|---|---|---|---|---|---|---|
| Analyte | r 2 | LOD (mg/L) | LOQ (mg/L) | Low (1 mg/L) | Middle (2 mg/L) | High (5 mg/L) | Inter‐lab |
| Alanine | 0.99 | 0.11 | 0.33 | 101.96 (0.79) | 101.01 (0.27) | 97.92 (0.83) | 90.00 (0.35) |
| Arginine | 0.99 | 0.83 | 2.52 | 99.43 (2.28) | 105.15 (1.07) | 98.91 (0.95) | 99.30 (0.87) |
| Glutathione | 0.99 | 0.08 | 0.27 | 95.10 (0.91) | 97.95 (0.43) | 97.95 (0.97) | 99.40 (0.54) |
| Lysine | 0.99 | 0.35 | 1.07 | 92.96 (2.13) | 99.38 (0.98) | 99.85 (0.67) | 100.00 (0.85) |
| Methionine | 0.99 | 0.36 | 1.11 | 95.36 (0.32) | 97.01 (1.06) | 99.39 (0.77) | 100.00 (0.71) |
| Ornithine | 0.99 | 0.44 | 1.33 | 103.90 (3.50) | 105.61 (2.04) | 101.40 (0.40) | 100.20 (1.02) |
| Threonine | 0.99 | 0.09 | 0.28 | 102.36 (1.96) | 99.58 (0.31) | 100.90 (0.28) | 99.70 (0.61) |
| Tryptophan | 0.99 | 0.04 | 0.12 | 98.06 (0.77) | 98.61 (1.33) | 99.34 (0.61) | 99.80 (0.79) |