Table 2 Chemical analysis results performed by IOC laboratories on eight olive oils purchased in USA (Miami)
From: Panel test and chemical analyses of commercial olive oils: a comparative study
Free acidity (% oleic acid) | Peroxide index (meq O2/kg) | K 232 | K 270 | ΔK | FAEE (mg/kg) | Stigmadienes (mg/kg) | |
|---|---|---|---|---|---|---|---|
Ou 1 | |||||||
Greece | /* | / | / | / | / | / | / |
Slovenia | 0.41 ± 0.03 | 9.1 ± 1.6 | 2.17 ± 0.04 | 0.130 ± 0.009 | −0.002 ± 0.001 | 34.5 ± 4.8 | 0.0117 ± 0.0021 |
Spain 1 | / | / | / | / | / | / | / |
Spain 2 | 0.39 | 10.60 | 2.27 | 0.13 | <0.01 | 38.80 | <0.05 |
Lazio (IT) | / | / | / | / | / | / | / |
Liguria (IT) | 0.4 ± 0.1 | 10 ± 2 | 2.32 ± 0.20 | 0.14 ± 0.04 | 0.00 ± 0.01 | 35 ± 9 | <0.01 ± 0.01 |
Sicily (IT) | 0.40 ± 0.05 | 10 ± 3 | 2.04 ± 0.05 | 0.09 ± 0.02 | 0.002 ± 0.006 | 37 ± 10 | 0.01 ± 0.02 |
Veneto (IT) | 0.40 ± 0.06 | 10.0 ± 2.3 | 2.45 ± 0.39 | 0.15 ± 0.04 | 0.003 ± 0.002 | 34 | 0.02 |
Ou 2 | |||||||
Greece | / | / | / | / | / | / | / |
Slovenia | 0.27 ± 0.03 | 16.0 ± 2.9 | 2.79 ± 0.04 | 0.225 ± 0.009 | 0.004 ± 0.001 | <15 | 0.089 ± 0.016 |
Spain 1 | / | / | / | / | / | / | / |
Spain 2 | / | / | / | / | / | / | / |
Lazio (IT) | / | / | / | / | / | / | / |
Liguria (IT) | 0.3 ± 0.1 | 18 ± 2 | 2.98 ± 0.26 | 0.23 ± 0.07 | 0.00 ± 0.01 | 22 ± 6 | 0.10 ± 0.02 |
Sicily (IT) | 0.28 ± 0.05 | 20 ± 3 | 2.76 ± 0.05 | 0.24 ± 0.02 | 0.002 ± 0.006 | 22 ± 7 | 0.10 ± 0.03 |
Veneto (IT) | 0.27 ± 0.06 | 17.8 ± 2.3 | 3.08 ± 0.39 | 0.24 ± 0.04 | 0.002 ± 0.002 | 15 | 0.06 |
Ou 3 | |||||||
Greece | / | / | / | / | / | / | / |
Slovenia | 0.41 ± 0.03 | 12.0 ± 2.2 | 2.84 ± 0.04 | 0.266 ± 0.009 | 0.006 ± 0.001 | 18.6 ± 2.6 | 0.0392 ± 0.0071 |
Spain 1 | / | / | / | / | / | / | / |
Spain 2 | 0.41 | 16.90 | 2.71 | 0.28 | 0.01 | 27.60 | <0.05 |
Lazio (IT) | / | / | / | / | / | / | / |
Liguria (IT) | 0.4 ± 0.1 | 14 ± 2 | 2.98 ± 0.26 | 0.28 ± 0.09 | 0.00 ± 0.01 | 25 ± 6 | 0.05 ± 0.01 |
Sicily (IT) | 0.43 ± 0.05 | 16 ± 3 | 2.79 ± 0.05 | 0.29 ± 0.02 | 0.006 ± 0.006 | 28 ± 8 | 0.05 ± 0.02 |
Veneto (IT) | 0.41 ± 0.06 | 14.6 ± 2.3 | 3.02 ± 0.39 | 0.30 ± 0.04 | 0.005 ± 0.002 | 28 | 0.06 |
Ou 4 | |||||||
Greece | / | / | / | / | / | / | / |
Slovenia | 0.21 ± 0.03 | 7.9 ± 1.4 | 1.90 ± 0.04 | 0.140 ± 0.009 | −0.001 ± 0.001 | 39.0 ± 5.5 | 0.0162 ± 0.0029 |
Spain 1 | / | / | / | / | / | / | / |
Spain 2 | 0.21 | 8.80 | 2.05 | 0.14 | <0.01 | 47.80 | <0.05 |
Lazio (IT) | / | / | / | / | / | / | / |
Liguria (IT) | 0.2 ± 0.1 | 8 ± 2 | 2.00 ± 0.17 | 0.16 ± 0.05 | 0.00 ± 0.01 | 45 ± 11 | 0.01 ± 0.01 |
Sicily (IT) | 0.21 ± 0.05 | 10 ± 3 | 1.85 ± 0.05 | 0.14 ± 0.02 | 0.007 ± 0.006 | 49 ± 13 | 0.02 ± 0.02 |
Veneto (IT) | 0.21 ± 0.06 | 8.3 ± 2.3 | 2.12 ± 0.39 | 0.18 ± 0.04 | 0.002 ± 0.002 | 46 | 0.05 |
Ou 5 | |||||||
Greece | / | / | / | / | / | / | / |
Slovenia | 0.21 ± 0.03 | 8.6 ± 1.6 | 1.92 ± 0.04 | 0.238 ± 0.009 | 0.007 ± 0.001 | 39.5 ± 5.5 | 0.0331 ± 0.0060 |
Spain 1 | / | / | / | / | / | / | / |
Spain 2 | 0.20 | 9.60 | 2.04 | 0.24 | 0.01 | 43.20 | <0.05 |
Lazio (IT) | / | / | / | / | / | / | / |
Liguria (IT) | 0.3 ± 0.1 | 9 ± 2 | 2.16 ± 0.19 | 0.27 ± 0.08 | 0.01 ± 0.01 | 43 ± 11 | 0.03 ± 0.01 |
Sicily (IT) | 0.22 ± 0.05 | 10 ± 3 | 1.99 ± 0.05 | 0.26 ± 0.02 | 0.007 ± 0.006 | 48 ± 13 | 0.03 ± 0.02 |
Veneto (IT) | 0.22 ± 0.06 | 8.7 ± 2.3 | 2.10 ± 0.39 | 0.25 ± 0.04 | 0.006 ± 0.002 | 38 | 0.03 |
Ou 6 | |||||||
Greece | / | / | / | / | / | / | / |
Slovenia | 0.25 ± 0.03 | 9.9 ± 1.8 | 2.00 ± 0.04 | 0.129 ± 0.009 | −0.003 ± 0.001 | 29.7 ± 4.2 | 0.0084 ± 0.0015 |
Spain 1 | / | / | / | / | / | / | / |
Spain 2 | 0.23 | 13.20 | 2.04 | 0.13 | <0.01 | 35.00 | <0.05 |
Lazio (IT) | / | / | / | / | / | / | / |
Liguria (IT) | 0.30 ± 0.01 | 11 ± 2 | 2.03 ± 0.18 | 0.14 ± 0.05 | 0.00 ± 0.01 | 32 ± 8 | 0.01 ± 0.01 |
Sicily (IT) | 0.39 ± 0.05 | 9 ± 3 | 1.93 ± 0.05 | 0.13 ± 0.02 | 0.003 ± 0.006 | 34 ± 9 | 0.01 ± 0.02 |
Veneto (IT) | 0.24 ± 0.06 | 10.9 ± 2.3 | 2.14 ± 0.39 | 0.15 ± 0.04 | 0.004 ± 0.002 | 29 | 0.05 |
Ou 7 | |||||||
Greece | / | / | / | / | / | / | / |
Slovenia | 0.27 ± 0.03 | 10.0 ± 1.8 | 1.95 ± 0.04 | 0.148 ± 0.009 | −0.001 ± 0.001 | 63.8 ± 8.9 | 0.0257 ± 0.0046 |
Spain 1 | / | / | / | / | / | / | / |
Spain 2 | 0.26 | 11.80 | 1.99 | 0.14 | <0.01 | 67.40 | <0.05 |
Lazio (IT) | / | / | / | / | / | / | / |
Liguria (IT) | 0.3 ± 0.1 | 10 ± 2 | 2.07 ± 0.18 | 0.14 ± 0.05 | 0.00 ± 0.01 | 65 ± 17 | 0.01 ± 0.01 |
Sicily (IT) | 0.27 ± 0.05 | 12 ± 3 | 1.95 ± 0.05 | 0.15 ± 0.02 | 0.001 ± 0.006 | 72 ± 18 | 0.01 ± 0.02 |
Veneto (IT) | 0.26 ± 0.06 | 10.7 ± 2.3 | 2.17 ± 0.39 | 0.16 ± 0.04 | 0.002 ± 0.002 | 60 | 0.02 |
Ou 8 | |||||||
Greece | / | / | / | / | / | / | / |
Slovenia | 0.32 ± 0.03 | 8.0 ± 1.4 | 2.01 ± 0.04 | 0.145 ± 0.009 | −0.002 ± 0.001 | 29.8 ± 4.2 | <0.01 |
Spain 1 | / | / | / | / | / | / | / |
Spain 2 | 0.30 | 12.00 | 2.16 | 0.15 | <0.01 | 33.20 | <0.05 |
Lazio (IT) | / | / | / | / | / | / | / |
Liguria (IT) | 0.3 ± 0.1 | 9 ± 2 | 2.15 ± 0.19 | 0.15 ± 0.04 | 0.00 ± 0.01 | 29 ± 8 | 0.01 ± 0.01 |
Sicily (IT) | 0.31 ± 0.05 | 8 ± 3 | 2.03 ± 0.05 | 0.16 ± 0.02 | 0.002 ± 0.006 | 32 ± 9 | 0.01 ± 0.02 |
Veneto (IT) | 0.29 ± 0.06 | 10.1 ± 2.3 | 2.20 ± 0.39 | 0.16 ± 0.04 | 0.003 ± 0.002 | 28 | 0.04 |