A Convenient and Sensitive LC-MS/MS Method for Simultaneous Determination of Carbadox- and Olaquindox-Related Residues in Swine Muscle and Liver Tissues

Table 4

Validation parameters related to the method of QCA, MQCA, DCBX, DOLQ, QCA-glycine, and MQCA-glycine in the swine liver.

Parameter	QCA	MQCA	DCBX	DOLQ	QCA-glycine	MQCA-glycine
Transition	175.3/129.2	189.1/145.0	231.1/199.0	232.2/143.2	232.1/131.1	246.3/143.2
LOD (μg/kg)	0.10	0.25	0.02	0.01	0.02	0.02
LOQ (μg/kg)	0.50	0.50	0.05	0.02	0.05	0.05
CCα (μg/kg)	0.10	0.30	0.02	0.02	0.02	0.02
CCβ (μg/kg)	1.10	1.33	0.15	0.08	0.12	0.15
Precision (RSD%)
Intraday ()	5.5	6.6	6.0	6.8	9.2	7.6
Interday ()	5.0	5.5	6.4	7.3	7.1	7.4
Recovery (%)	85.6 ± 3.4	79.1 ± 6.7	85.5 ± 4.6	91.1 ± 6.3	87.3 ± 7.4	89.1 ± 8.1