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Table 1

Oxidative stability parameters and color values of Tavşan Yüreği (Antalya) olive oils during 12 months of storage.

Storage period (Month) Free fatty acid content (%) Peroxide value (meqO2/kg yağ) K232 K270 L value a value b value
0 0.1 ± 0.00c 14.76 ± 0.02i 1.9 ± 0.00f 0.11 ± 0.00i 32.82 ± 0.01a 0.69 ± 0.01f 8.17 ± 0.06d
1 0.2 ± 0.00b 14.79 ± 0.04i 0.6 ± 0.00h −0.12 ± 0.00m 33.74 ± 1.54a 0.68 ± 0.02f 8.16 ± 0.08d
2 0.2 ± 0.00b 16.23 ± 0.06h 0.3 ± 0.00j 0.67 ± 0.00b 33.24 ± 0.04a 0.94 ± 0.01ef 8.92 ± 0.02cd
3 0.3 ± 0.00a 17.59 ± 0.02g 0.4 ± 0.00i 0.32 ± 0.00d 33.27 ± 0.06a 1.11 ± 0.02def 8.75 ± 0.23cd
4 0.3 ± 0.00a 17.64 ± 0.02g 2.1 ± 0.00e 0.16 ± 0.00i 33.27 ± 0.01a 1.31 ± 0.02def 8.99 ± 0.06cd
5 0.3 ± 0.00a 17.97 ± 0.02f 0.7 ± 0.00g 0.88 ± 0.00a 33.29 ± 0.04a 1.44 ± 0.01cde 9.19 ± 0.11bcd
6 0.3 ± 0.00a 17.98 ± 0.01f 2.4 ± 0.00c 0.20 ± 0.00f 34.32 ± 0.12a 2.07 ± 0.01abc 11.03 ± 0.08a
7 0.3 ± 0.00a 19.45 ± 0.06e 3.2 ± 0.00a 0.62 ± 0.00c 33.27 ± 0.90a 2.07 ± 0.14abc 9.85 ± 1.08bc
8 0.3 ± 0.00a 19.76 ± 0.02d 2.4 ± 0.00c 0.30 ± 0.00e 27.25 ± 2.93c 1.06 ± 0.09def 3.16 ± 0.69e
9 0.3 ± 0.00a 19.85 ± 0.04d 2.1 ± 0.00e 0.14 ± 0.00j 34.15 ± 0.23a 2.31 ± 0.03a 10.84 ± 0.44a
10 0.3 ± 0.00a 20.64 ± 0.00c 2.5 ± 0.00b 0.17 ± 0.00h 29.75 ± 0.81b 1.66 ± 0.45bcd 11.12 ± 0.06a
11 0.3 ± 0.00a 24.76 ± 0.02b 2.1 ± 0.00e 0.13 ± 0.00k 33.88 ± 0.50a 2.24 ± 0.10ab 10.28 ± 0.91ab
12 0.3 ± 0.00a 26.52 ± 0.07a 2.2 ± 0.00d 0.18 ± 0.00g 33.04 ± 0.10a 2.31 ± 0.04b 9.43 ± 1.00bcd

*Different superscript letters (a–i) in the same column indicate significant differences between mean values (P < 0.01).

N = 26.

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