Table 1.
Calibration data for biogenic amines under the study
| Compound | Calibration range/µg dm−3 | Slope | Intercept | R 2 | LOD/µg dm−3 | LOQ/µg dm−3 |
|---|---|---|---|---|---|---|
| Methylamine | 46–830 | 1.613E+06 | 2.243E+04 | 0.9989 | 0.023 | 0.075 |
| Dimethylamine | 4.7–84 | 2.743E+04 | 4.158E+04 | 0.9983 | 2.9 | 9.6 |
| Propylamine | 110–1950 | 1.833E+03 | 5.938E+04 | 0.9998 | 24 | 78 |
| Butylamine | 3.6–65 | 1.226E+03 | 3.688E+03 | 0.9976 | 3.4 | 11 |
| Isobutylamine | 3.3–59 | 1.149E+03 | 3.976E+03 | 0.9998 | 0.82 | 2.8 |
| Diethylamine | 1.6–29 | 3.158E+03 | 1.506E+04 | 0.9997 | 0.44 | 1.4 |
| 2-Phenylethylamine | 7.3–130 | 1.470E+03 | 8.361E+03 | 0.9978 | 5.4 | 18 |
| Isopentylamine | 3.2–58 | 6.278E+02 | −1.137E+03 | 0.9982 | 2.7 | 9.0 |
| 120–2100 | 5.695E+02 | 8.476E+02 | 0.9957 | – | – | |
| Tryptamine | 50–910 | 6.546E+03 | −1.934E+05 | 0.9998 | 11 | 36 |
| 400–7300 | 4.758E+03 | 1.121E+06 | 0.9956 | – | – | |
| Cadaverine | 41–730 | 6.594E+03 | −1.685E+05 | 0.9996 | 10 | 34 |
| 130–2300 | 4.975E+03 | 3.702E+05 | 0.9989 | – | – | |
| Putrescine | 20–370 | 5.545E+03 | 4.629E+04 | 0.9994 | 7.3 | 24 |
| 730–13,000 | 3.613E+03 | 8.016E+06 | 0.9984 | – | – | |
| Spermidine | 19–340 | 8.481E+03 | −6.489E+04 | 0.9999 | 3.6 | 12 |
| 200–3600 | 8.298E+03 | 8.260E+04 | 0.9964 | – | – | |
| Spermine | 24–440 | 5.914E+02 | 2.657E+03 | 0.9989 | 12 | 40 |
| Tyramine | 19–340 | 2.513E+03 | 2.019E+04 | 0.9979 | 11 | 36 |
| 200–3600 | 1.565E+03 | 4.527E+05 | 0.9935 | – | – | |
| Histamine | 9.4–170 | 7.327E+03 | 2.689E+04 | 0.9993 | 3.8 | 13 |
| Hexylamine | 100–1800 | 1.155E+03 | 3.688E+04 | 0.9995 | 36 | 120 |
| Agmatine | 100–1800 | 8.766E+02 | 1.188E+05 | 0.9973 | 83 | 270 |
| 2400–44,000 | 5.955E+02 | 1.161E+06 | 0.9984 | – | – |