Application of Fourier Transform Infrared Spectroscopy for the Oxidation and Peroxide Value Evaluation in Virgin Walnut Oil

Table 1

The peroxide value (PV) of each sample used in both calibration and validation.

Samples	Peroxide value (meq/kg)
	Calibration	Validation
1	4.1432	4.2356
2	9.0373	18.4758
3	10.8598	28.5217
4	15.2708	36.1313
5	17.5795	46.6111
6	29.3056	57.3778
7	29.5217	66.158
8	33.9717	75.0164
9	43.2461	81.4029
10	47.2113	98.0299
11	58.135
12	62.3264
13	65.2184
14	77.2294
15	80.0891
16	94.3897
17	98.3299
18	120.144