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Table 1

Oxidative stability parameters and color valuse of Saurani extra virgin olive oils during 12 months storage.

Storage period (month) Free fatty acid content (%) Peroxide value (meqO2/kg yağ) K232 K270 L value a value b value
0 0.3 ± 0.03d 17.9 ± 0.04g 1.9 ± 0.00h 0.15 ± 0.00h 31.3 ± 0.10ab 1.8 ± 0.03de 6.3 ± 0.45b
1 0.4 ± 0.01c 17.9 ± 0.05g 0.4 ± 0.00j −0.26 ± 0.00k 30.7 ± 0.53bc 1.6 ± 0.10ef 6.5 ± 0.12ab
2 0.5 ± 0.00b 18.1 ± 0.09f 0.4 ± 0.00j 0.99 ± 0.00a 31.8 ± 0.04ab 2.0 ± 0.02cde 6.6 ± 0.06ab
3 0.5 ± 0.03b 18.5 ± 0.11e 0.4 ± 0.00j 0.35 ± 0.00c 31.9 ± 0.01ab 2.0 ± 0.01bcde 6.6 ± 0.19ab
4 0.5 ± 0.01b 19.0 ± 0.02d 2.1 ± 0.00f 0.13 ± 0.00j 31.8 ± 0.00ab 2.0 ± 0.01bcde 6.5 ± 0.06ab
5 0.5 ± 0.00b 21.0 ± 0.00c 1.5 ± 0.00i 0.40 ± 0.00b 31.8 ± 0.02ab 2.0 ± 0.00bcd 6.6 ± 0.06ab
6 0.5 ± 0.00b 23.5 ± 0.02b 2.2 ± 0.00e 0.16 ± 0.00g 32.2 ± 0.07a 2.3 ± 0.00ab 7.8 ± 0.10ab
7 0.5 ± 0.00b 26.6 ± 0.05a 3.4 ± 0.00a 0.40 ± 0.00b 32.1 ± 0.26a 2.4 ± 0.00a 7.6 ± 0.50ab
8 0.5 ± 0.00b 17.9 ± 0.06g 2.0 ± 0.00g 0.22 ± 0.00e 31.8 ± 0.60ab 2.3 ± 0.04abc 7.9 ± 0.31a
9 0.6 ± 0.00a 15.6 ± 0.04h 2.1 ± 0.00f 0.13 ± 0.00j 31.6 ± 0.86ab 2.2 ± 0.10abc 6.7 ± 1.30ab
10 0.6 ± 0.00a 13.9 ± 0.01i 2.4 ± 0.00c 0.30 ± 0.00d 29.8 ± 1.17c 1.5 ± 0.20f 3.5 ± 1.74c
11 0.6 ± 0.00a 11.9 ± 0.06j 2.5 ± 0.00b 0.21 ± 0.00f 31.4 ± 0.93ab 2.4 ± 0.00a 7.2 ± 0.35ab
12 0.6 ± 0.00a 10.1 ± 0.01k 2.2 ± 0.00d 0.14 ± 0.00i 32.1 ± 0.05a 2.4 ± 0.02a 7.6 ± 0.26ab

*Different superscript letters in the same column indicate significant difference between mean values (P < 0.01).

N = 28.

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