Evaluation of the QuEChERS extraction approach for the analysis of active compounds of pharmaceuticals in olive tree portions

Chemical and Biological Technologies in Agriculture

Table 4 Performance of the method for the target PhACs evaluated

PhACs	Roots			Leaves and stems			Pulp			Pit			Oil
	r²	LOD	LOQ	r²	LOD	LOQ	r²	LOD	LOQ	r²	LOD	LOQ	r²	LOD	LOQ
		(µg kg⁻¹)			(µg kg⁻¹)			(µg kg⁻¹)			(µg kg⁻¹)			(µg kg⁻¹)
CBZ	0.9997	4.9	9.7	0.9986	9.0	18.0	0.9994	11.0	22.0	0.9987	8.6	17.2	0.9999	4.6	9.3
CLZ	0.9986	8.8	17.7	0.9988	8.4	16.9	0.9998	6.9	13.9	0.9991	11.8	23.6	0.9999	3.1	6.2
CLR	0.9995	10.6	21.2	0.9989	8.0	16.1	0.9997	12.6	25.3	0.9976	7.1	14.3	0.9999	4.0	8.0
DCF	0.9995	5.3	10.6	0.9981	10.6	21.2	0.9998	9.2	18.4	0.9995	5.1	10.3	0.9996	4.9	9.8
KTP	0.9996	4.6	9.2	0.9998	3.2	6.3	0.9999	7.6	15.3	0.9994	5.7	11.4	0.9998	3.4	6.8
SMX	0.9997	4.3	8.6	0.9965	14.2	25.5	0.9995	8.3	16.6	0.9996	4.6	9.1	0.9995	5.4	10.8

CBZ: carbamazepine, CLZ: climbazole, CLR: clarithromycin, DCF: diclofenac, KTP: ketoprofen, SMX: sulfamethoxazole, LOD: limit of detection, LOQ: limit of quantification