The Use of Fourier Transform Infrared Spectroscopy for Quantification of Adulteration in Virgin Walnut Oil

Table 1

The composition percentage for calibration and validation sets used in the binary mixtures of SO, PO, and SFO with VWO.

Samples	SO in VWO				PO in VWO				SFO in VWO
	Calibration		Validation		Calibration		Validation		Calibration		Validation
	SO	VWO	SO	VWO	PO	VWO	PO	VWO	SFO	VWO	SFO	VWO
1	5	95	0	100	5	95	0	100	5	95	0	100
2	8	92	2	98	8	92	2	98	8	92	2	98
3	10	90	4	96	10	90	4	96	10	90	4	96
4	13	87	6	94	15	85	6	94	15	85	6	94
5	15	85	8	92	17	83	8	92	17	83	8	92
6	20	80	10	90	20	80	10	90	20	80	10	90
7	22	78	12	88	22	78	12	88	22	78	12	88
8	25	75	16	84	25	75	16	84	25	75	16	84
9	30	70	20	80	30	70	20	80	30	70	20	80
10	35	65	23	77	35	65	23	77	35	65	23	77
11	36	64	28	72	36	64	28	72	36	64	28	72
12	40	60	32	68	40	60	32	68	40	60	32	68
13	42	58	38	62	45	55	38	62	45	55	38	62
14	45	55	42	58	48	52	42	58	48	52	42	58
15	50	50	48	52	50	50	48	52	50	50	48	52
16	100	0	50	50	100	0	50	50	100	0	50	50