Rapid Determination of Aflatoxin B₁ Contamination in Peanut Oil by Fourier Transform Near-Infrared Spectroscopy

Table 4

The results of external verification of the quantitative model.

Number	Reference value (μg/kg)	Predicted value (μg/kg)	Absolute deviation (μg/kg)	Relative deviation (%)
3	37.06	39.68	−2.62	7.07
5	36.73	38.46	−1.73	−4.71
11	32.70	32.84	−0.14	−0.42
13	31.38	29.12	2.26	7.20
16	29.60	27.34	2.26	7.64
17	28.86	26.91	1.95	6.76
20	28.38	27.41	1.04	3.66
29	25.01	24.14	0.87	3.48
31	24.66	25.29	−0.63	2.55
37	22.08	22.19	−0.11	−0.50
43	18.28	19.26	−0.98	−5.36
47	13.94	13.91	0.03	0.22
53	11.18	11.34	−0.16	−1.43
55	9.02	8.68	0.37	4.10
62	6.09	6.24	−0.15	−2.48