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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 |
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