Table 1. LOD, LOQ and linearity for vitamin B₆ and B₁₂ analyses

Analytes		Analytical methods	Calibration curve1)	R2	LOD2) (μg/100 g)	LOQ3) (μg/100 g)
Vitamin B6	Pyridoxine	HPLC-FLD	y=90.4607x-0.0559	0.9999	0.008±0.006	0.022±0.017
	Pyridoxal		y=73.3855x-0.0069	1.0000	0.007±0.002	0.015±0.006
	Pyridoxamine		y=77.9059x-0.0192	0.9999	0.007±0.003	0.018±0.007
Vitamin B12	Cyanocobalamin	Immunoaffinity-HPLC-PDA	y=2,007.7232x-0.3788	1.0000	0.005±0.004	0.012±0.011

y=ax+b: y and x indicate peak area (mAU) and concentration (μg/100 g), respectively.
Limit of detection.
Limit of quantification.