Research Article
UPLC-MS/MS Method for Simultaneous Determination of Three Major Metabolites of Mequindox in Holothurian
Table 4
The accuracy and precision for the analysis of MQCA, 1-DMEQ, and BDMEQ residues in holothurian.
| Matrix | Analyte | Spiked level (µg/kg) | Mean recovery (%) | Intraday RSD% (n = 6) | Interday RSD% (n = 18) |
| Holothurian | 1-DMEQ | 2 | 88.0 | 4.96 | 11.8 | 10 | 83.7 | 6.07 | 6.27 | 20 | 90.5 | 6.96 | 8.06 | BDMEQ | 2 | 88.0 | 3.14 | 5.85 | 10 | 82.5 | 5.90 | 6.51 | 20 | 88.5 | 7.27 | 7.95 | MQCA | 2 | 93.5 | 3.82 | 5.37 | 10 | 85.7 | 5.56 | 6.94 | 20 | 85.5 | 3.80 | 6.61 |
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