Research Article
Determination of Methomyl Residues in Bohe by Ultrahigh-Performance Liquid Chromatography-Tandem Mass Spectrometry (UPLC-MS)
Table 1
Methomyl residues in mint cultured in the aquaponic system with known concentration (200 μg/L).
| Time (days) | Methomyl residue in mint | Hay | Roots | Mean residue (μg/kg) (±SE) | Reduction (%) | Mean residue (μg/kg) (±SE) | Reduction (%) |
| 0 | 44.54 ± 0.56 | — | 79.52 ± 0.30 | — | 5 | 39.29 ± 0.23 | 11.79 | 68.12 ± 0.93 | 14.34 | 10 | 30.07 ± 0.41 | 23.47 | 47.61 ± 0.67 | 30.11 | 15 | 16.73 ± 0.25 | 44.36 | 25.29 ± 0.35 | 46.88 | 20 | 3.310 ± 0.20 | 80.22 | 15.35 ± 1.02 | 39.30 |
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