Table 2. Recovery, limits of detection (LOD), and limits of quantification (LOQ) of aflatoxin

Instrument	Aflatoxin1)	Recovery2) (%)±RSD3) (%)			LOD (μg/kg)	LOQ (μg/kg)
		Low level	Medium level	High level
UPLC-FLD	AF B1	71.03±13.4	75.18±7.21	80.14±5.42	0.081	0.246
	AF B2	70.64±6.04	76.18±8.11	81.55±1.02	0.055	0.168
	AF G1	82.01±7.14	80.66±10.44	83.17±6.42	0.159	0.483
	AF G2	78.94±10.22	82.45±12.14	89.45±3.71	0.072	0.219
HPLC-FLD	AF B1	70.55±0.89	72.88±5.48	81.88±4.12	0.52	1.57
	AF B2	71.72±7.22	80.12±2.66	79.44±0.08	0.20	0.60
	AF G1	80.16±1.66	75.11±9.04	85.79±4.04	2.79	8.37
	AF G2	79.55±5.12	80.44±0.12	86.66±0.96	0.86	2.57
ELISA kit	AF B1	90.22±1.44	71.44±1.75	88.45±6.12	NT4)	NT
	AF B2	76.57±3.52	81.54±1.88	89.88±4.12	NT	NT
	AF G1	90.44±3.71	78.77±7.71	78.94±0.90	NT	NT
	AF G2	88.04±4.65	77.31±4.25	89.53±5.64	NT	NT

AF, aflatoxin.
UPLC and HPLC = AFB₁, G₁: 125 μg/kg (low level), 250 μg/kg (medium level), 500 μg/kg (high level), B₂, G₂: 31.25 μg/kg (low level), 62.5 μg/kg (medium level), 125 μg/kg (high level); ELISA kit = AFB₁, B₂, G₁, G₂: 2 μg/kg (low level), 5 μg/kg (medium level), 10 μg/kg (high level).
RSD, relative standard deviation.
NT, not tested.