Research Article
Simultaneous Determination of Nitroimidazoles and Quinolones in Honey by Modified QuEChERS and LC-MS/MS Analysis
Table 5
Recovery rates and RSDs of target compounds from honey samples using by LC-MS/MS.
| Compound | Concentration level (μg/kg) | Recovery% (RSD%) | Acacia honey | Jujube honey |
| Metronidazole | 5 | 82.7 (0.044) | 81.0 (0.058) | 25 | 85.7 (0.031) | 100.7 (0.050) | 50 | 86.1 (0.020) | 99.0 (0.024) |
| Tinidazole | 5 | 115.6 (0.050) | 85.60 (0.027) | 25 | 87.2 (0.031) | 100.5 (0.051) | 50 | 82.6 (0.012) | 82.5 (0.039) |
| Ornidazole | 5 | 113.3 (0.044) | 86.8 (0.017) | 25 | 93.2 (0.049) | 101.8 (0.036) | 50 | 85.2 (0.043) | 108.9 (0.007) |
| Ofloxacin | 5 | 116.7 (0.046) | 82.9 (0.057) | 25 | 88.6 (0.054) | 94.8 (0.039) | 50 | 81.9 (0.019) | 106.5 (0.023) |
| Ciprofloxacin | 5 | 83.1 (0.027) | 83.1 (0.027) | 25 | 96.8 (0.040) | 96.8 (0.040) | 50 | 116.8 (0.050) | 81.8 (0.033) |
| Enrofloxacin | 5 | 109.9 (0.053) | 86.5 (0.063) | 25 | 115.9 (0.044) | 103.9 (0.062) | 50 | 112.0 (0.031) | 115.9 (0.020) |
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The repeatability and intermediate precision results were expressed as relative standard deviation (RSD); number of determinations () = 3.
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