Table 1.

Analytical performance optimized for determination of pyrethroids by QuEChERS method combined with high-performance liquid chromatography and ultraviolet detection (HPLC-UV). LOD: limits of detection; LOQ: limits of quantification.

Samples	Analytes	Linearity Equation	R2	Linear Range	LOD	LOQ	Precision (% RSD)		Enrichment Factor
				(ng mL−1)	(ng mL−1)	(ng mL−1)	Intra-Day (n = 5)	Inter-Day (n = 5)
Sheng-maiyin oral liquid	Transfluthrin	y = 82.78x + 754.83	0.9991	0.05–200.00	0.011	0.035	3.68	2.61	45.16
	Fenpropathrin	y = 98.49x − 799.59	0.9992	0.05–200.00	0.007	0.022	3.06	2.98	47.67
	Fenvalerate	y = 65.76x + 1722.24	0.9997	0.05–200.00	0.017	0.049	4.62	1.06	47.50
	Etofenprox	y = 79.72x + 762.23	0.9995	0.05–200.00	0.014	0.040	3.60	3.02	48.89
	Silafluofen	y = 87.77x + 2137.18	0.9999	0.05–200.00	0.010	0.032	2.87	2.46	51.07
Qutan-ling oral liquid	Transfluthrin	y = 71.09x − 550.41	0.9997	0.05–200.00	0.016	0.047	3.42	2.73	46.83
	Fenpropathrin	y = 80.01x + 679.88	0.9992	0.05–200.00	0.013	0.038	3.47	1.98	45.84
	Fenvalerate	y = 58.10x + 1250.09	0.9998	0.05–200.00	0.018	0.057	3.17	2.44	47.85
	Etofenprox	y = 74.87x + 951.04	0.9994	0.05–200.00	0.015	0.045	2.79	1.83	46.33
	Silafluofen	y = 79.30x + 1325.92	0.9995	0.05–200.00	0.014	0.042	3.69	2.48	46.73
Yimuc-ao oral liquid	Transfluthrin	y = 81.17x + 499.39	0.9993	0.05–200.00	0.012	0.037	2.68	1.65	50.48
	Fenpropathrin	y = 95.35x − 780.63	0.9999	0.05–200.00	0.008	0.025	3.29	2.66	43.67
	Fenvalerate	y = 71.39x + 140.27	0.9992	0.05–200.00	0.016	0.049	2.62	2.16	45.49
	Etofenprox	y = 79.73x + 1875.92	0.9995	0.05–200.00	0.014	0.043	4.16	2.70	45.77
	Silafluofen	y = 90.96x + 763.42	0.9996	0.05–200.00	0.009	0.029	2.44	1.98	46.98