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