Table 1.

Results of the measurements of accuracy of the analytical data using certificate reference materials “fungal powdered fruiting bodies of Leccinum scabrum“ IC–CS–M–4 (n = 5) and Oriental basma tobacco leaves, INCT–OBTL–5 (n = 5)

Analyte	Measured value (mg kg−1)	Certified value (mg kg−1)	Recovery (%)
Agb	0.062 ± 0.003	0.053 ± 0.011	116
Asa	0.416 ± 0.018	0.375 ± 0.051	111
Bab	63.2 ± 2.2	67.4 ± 3.8	94
Cda	1.43 ± 0.13	1.33 ± 0.09	107
Cob	0.949 ± 0.043	0.981 ± 0.067	97
Cra	1.05 ± 0.11	1.09 ± 0.21	96
Csb	0.261 ± 0.01	0.288 ± 0.02	91
Cua	28.18 ± 0.98	26.37 ± 1.74	107
Lib	18.8 ± 0.65	19.3c	97
Mnb	174 ± 5	180 ± 6	97
Nib	8.94 ± 0.49	8.5 ± 0.49	105
Pba	1.032 ± 0.06	0.998 ± 0.072	103
Rbb	18.5 ± 0.6	19.1 ± 1	97
Srb	101 ± 1	105 ± 5	96
Tlb	0.044 ± 0.001	0.051c	86
Ub	0.100 ± 0.002	0.113c	88
Vb	3.98 ± 0.10	4.12 ± 0.55	97
Zna	127.8 ± 5.2	120.7 ± 5.9	106

^aIC-CS-M-4

^bINCT-OBTL-5; ^cInformation values

^cInformation values