Table 2.
Effects of blanching on the removal of pesticide residues from the Chinese kale samples.
| Pesticides | Pesticide Residues Found (ppb) | % Removal | |
|---|---|---|---|
| Control (Uncooked) | Blanched | ||
| Carbamates | |||
| Carbofuran | 5.9 ± 1.2 | 1.8 ± 0.1 ** | 69 |
| Fenobucarb | 1629 ± 336 | 860 ± 156 ** | 47 |
| Indoxacarb | 97 ± 18 | 75 ± 8 | 22 |
| Organophosphates | |||
| Chlorpyrifos | 1258 ± 258 | 1005 ± 198 | 20 |
| Diazinon | 1067 ± 204 | 1128 ± 205 | −5.7 |
| Profenofos | 4015 ± 739 | 4029 ± 987 | −0.3 |
| Pyrethroids | |||
| λ-Cyhalothrin | 70 ± 11 | 44 ± 9 ** | 37 |
| Cypermethrin | 228 ± 32 | 136 ± 23 ** | 40 |
| Deltamethrin | 392 ± 58 | 215 ± 44 ** | 45 |
| Fenvalerate | 42 ± 6 | 27 ± 5 ** | 37 |
| Flumethrin | 122 ± 20 | 78 ± 14 ** | 36 |
| Other | |||
| Alachlor | 6.3 ± 1.2 | 0.0 ± 0 *** | 100 |
| Flutolanil | 0.4 ± 0.1 | 0.4 ± 0.1 | 0 |
| Mefenacet | 0.6 ± 0.1 | 0.6 ± 0.1 | 0 |
| Mepronil | 192 ± 35 | 206 ± 33 | −7.3 |
| Metalaxyl | 953 ± 192 | 198 ± 33 *** | 79 |
The results are given as mean ± standard deviation (SD), n = 6 each. ** Significantly different from the control (uncooked) group, p < 0.01. *** Significantly different from the control (uncooked) group, p < 0.001.