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.

CompoundConcentration level (μg/kg)Recovery% (RSD%)
Acacia honeyJujube honey

Metronidazole582.7 (0.044)81.0 (0.058)
2585.7 (0.031)100.7 (0.050)
5086.1 (0.020)99.0 (0.024)

Tinidazole5115.6 (0.050)85.60 (0.027)
2587.2 (0.031)100.5 (0.051)
5082.6 (0.012)82.5 (0.039)

Ornidazole5113.3 (0.044)86.8 (0.017)
2593.2 (0.049)101.8 (0.036)
5085.2 (0.043)108.9 (0.007)

Ofloxacin5116.7 (0.046)82.9 (0.057)
2588.6 (0.054)94.8 (0.039)
5081.9 (0.019)106.5 (0.023)

Ciprofloxacin583.1 (0.027)83.1 (0.027)
2596.8 (0.040)96.8 (0.040)
50116.8 (0.050)81.8 (0.033)

Enrofloxacin5109.9 (0.053)86.5 (0.063)
25115.9 (0.044)103.9 (0.062)
50112.0 (0.031)115.9 (0.020)

The repeatability and intermediate precision results were expressed as relative standard deviation (RSD); number of determinations () = 3.