Table 5
Fatty acid composition (%) of olive oil samples resulting from several Algerian olive-growing regions.
| Sample | C16:0 | C16:1ω7 | C17:0 | C18:0 | C18:1ω9 | C18:2ω6 | C18:3ω3 | C20:0 | C20:1ω9 | C22:0 | SFA | MUFA | PUFA | C18:1ω9/C18:2ω6 | MUFA/PUFA |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| S1 | 10.62 ± 0.13 | 0.91 ± 0.11 | 0.08 ± 0.01 | 1.70 ± 0.08 | 79.10 ± 0.79 | 6.08 ± 0.10 | 0.77 ± 0.08 | 0.20 ± 0.01 | 0.30 ± 0.04 | 0.20 ± 0.02 | 12.80 ± 0.7 | 80.31 ± 1.0 | 6.85 ± 0.6 | 13.01 ± 0.9 | 11.72 ± 0.9 |
| R1 | 8.62 ± 0.16 | 0.66 ± 0.04 | 0.00 | 2.32 ± 0.05 | 80.14 ± 0.00 | 6.67 ± 0.80 | 0.69 ± 0.06 | 0.36 ± 0.02 | 0.35 ± 0.02 | 0.26 ± 0.03 | 11.56 ± 0.6 | 81.15 ± 1.01 | 7.36 ± 0.8 | 12.01 ± 0.8 | 11.03 ± 0.55 |
| C1 | 14.32 ± 0.18 | 1.72 ± 0.06 | 0.10 ± 0.01 | 1.83 ± 0.09 | 70.71 ± 0.13 | 9.97 ± 0.9 | 0.51 ± 0.01 | 0.29 ± 0.00 | 0.32 ± 0.01 | 0.19 ± 0.01 | 16.73 ± 0.9 | 72.75 ± 0.9 | 10.48 ± 0.9 | 7.09 ± 0.66 | 6.94 ± 0.18 |
| C2a | 15.43 ± 0.21 | 1.67 ± 0.01 | 0.00 | 2.20 ± 0.01 | 70.07 ± 0.09 | 9.39 ± 0.9 | 0.57 ± 0.03 | 0.32 ± 0.03 | 0.34 ± 0.00 | 0.00 | 17.95 ± 1.0 | 72.08 ± 0.9 | 9.96 ± 0.7 | 7.46 ± 0.58 | 7.24 ± 0.23 |
| C2b | 16.25 ± 0.26 | 2.09 ± 0.09 | 0.08 ± 0.01 | 1.87 ± 0.10 | 68.94 ± 0.15 | 9.28 ± 0.88 | 0.66 ± 0.05 | 0.29 ± 0.01 | 0.30 ± 0.02 | 0.19 ± 0.01 | 18.68 ± 1.11 | 71.33 ± 0.8 | 9.94 ± 0.8 | 7.43 ± 0.60 | 7.18 ± 0.33 |
| C3 | 13.86 ± 0.13 | 1.65 ± 0.16 | 0.09 ± 0.02 | 1.89 ± 0.08 | 69.59 ± 0.56 | 11.54 ± 1.0 | 0.50 ± 0.01 | 0.31 ± 0.04 | 0.31 ± 0.02 | 0.22 ± 0.03 | 16.37 ± 0.9 | 71.55 ± 0.9 | 12.04 ± 1.1 | 6.03 ± 0.42 | 5.94 ± 0.18 |
| C4 | 17.57 ± 0.15 | 2.48 ± 0.03 | 0.08 ± 0.03 | 1.84 ± 0.06 | 64.84 ± 0.70 | 11.70 ± 1.0 | 0.68 ± 0.08 | 0.32 ± 0.02 | 0.29 ± 0.00 | 0.16 ± 0.00 | 19.97 ± 1.2 | 67.61 ± 0.7 | 12.38 ± 1.1 | 5.54 ± 0.18 | 5.46 ± 0.20 |
| C5 | 14.13 ± 0.22 | 1.72 ± 0.01 | 0.08 ± 0.01 | 1.90 ± 0.12 | 70.12 ± 0.80 | 10.92 ± 0.9 | 0.53 ± 0.03 | 0.28 ± 0.00 | 0.28 ± 0.01 | 0.00 | 16.39 ± 1.0 | 72.12 ± 0.8 | 11.45 ± 0.9 | 6.42 ± 0.56 | 6.30 ± 0.45 |
| Rm1 | 13.24 ± 0.51 | 1.04 ± 0.09 | 0.00 | 3.06 ± 0.09 | 73.88 ± 1.0 | 7.61 ± 0.88 | 0.50 ± 0.01 | 0.39 ± 0.05 | 0.24 ± 0.04 | 0.00 | 16.69 ± 0.9 | 75.16 ± 0.9 | 8.11 ± 0.7 | 9.71 ± 0.71 | 9.27 ± 0.66 |
| C6 | 15.42 ± 0.11 | 1.72 ± 0.13 | 0.08 ± 0.04 | 2.08 ± 0.10 | 69.06 ± 0.95 | 10.14 ± 1.0 | 0.56 ± 0.02 | 0.36 ± 0.04 | 0.35 ± 0.06 | 0.18 ± 0.03 | 18.12 ± 1.3 | 71.13 ± 0.8 | 10.70 ± 0.9 | 6.81 ± 0.18 | 6.65 ± 0.76 |
| S2 | 9.83 ± 0.26 | 0.77 ± 0.12 | 0.00 | 2.76 ± 0.05 | 77.45 ± 1.0 | 7.84 ± 0.8 | 0.75 ± 0.07 | 0.25 ± 0.03 | 0.29 ± 0.05 | 00 | 12.84 ± 0.8 | 78.51 ± 0.9 | 8.59 ± 0.8 | 9.88 ± 0.7 | 9.14 ± 0.75 |
| S3 | 10.30 ± 0.23 | 0.97 ± 0.06 | 0.07 ± 0.01 | 2.11 ± 0.11 | 73.48 ± 0.88 | 11.47 ± 1.1 | 0.84 ± 0.09 | 0.26 ± 0.01 | 0.36 ± 0.04 | 0.12 ± 0.01 | 12.86 ± 0.8 | 74.81 ± 1.0 | 12.31 ± 1.1 | 6.41 ± 0.20 | 6.08 ± 0.45 |
| S4 | 13.21 ± 0.15 | 1.51 ± 0.10 | 0.16 ± 0.00 | 1.99 ± 0.16 | 72.96 ± 1.2 | 8.93 ± 0.9 | 0.62 ± 0.04 | 0.29 ± 0.05 | 0.29 ± 0.02 | 0.00 | 15.65 ± 0.0 | 74.76 ± 0.9 | 9.55 ± 0.9 | 8.17 ± 0.66 | 7.83 ± 0.56 |
| SC1 | 14.12 ± 0.13 | 1.65 ± 0.09 | 0.10 ± 0.01 | 2.14 ± 0.12 | 69.58 ± 0.9 | 10.50 ± 1.1 | 0.59 ± 0.05 | 0.42 ± 0.06 | 0.36 ± 0.05 | 0.26 ± 0.04 | 17.04 ± 0.10 | 71.59 ± 0.7 | 11.09 ± 0.9 | 6.63 ± 0.33 | 6.46 ± 0.34 |
| SC2 | 15.36 ± 0.27 | 1.73 ± 0.12 | 0.07 ± 0.02 | 1.88 ± 0.13 | 68.26 ± 1.0 | 11.14 ± 1.15 | 0.56 ± 0.03 | 0.33 ± 0.01 | 0.35 ± 0.04 | 0.15 ± 0.01 | 17.79 ± 0.13 | 70.34 ± 0.7 | 11.70 ± 0.9 | 6.13 ± 0.30 | 6.01 ± 0.64 |
| C7 | 16.85 ± 0.15 | 1.82 ± 0.06 | 0.00 | 1.93 ± 0.09 | 70.26 ± 1.1 | 8.28 ± 0.88 | 0.52 ± 0.01 | 0.32 ± 0.04 | 0.20 ± 0.01 | 0.00 | 19.10 ± 1.01 | 72.08 ± 0.9 | 8.80 ± 0.8 | 8.49 ± 0.66 | 8.19 ± 0.52 |
| S5 | 11.44 ± 0.26 | 1.27 ± 0.13 | 0.00 | 2.12 ± 0.08 | 75.12 ± 0.9 | 8.55 ± 0.9 | 0.67 ± 0.06 | 0.28 ± 0.00 | 0.29 ± 0.03 | 0.20 ± 0.01 | 14.04 ± 0.11 | 76.68 ± 0.8 | 9.22 ± 0.9 | 8.79 ± 0.60 | 8.32 ± 0.66 |
| C8 | 16.77 ± 0.11 | 2.17 ± 0.11 | 0.00 | 1.85 ± 0.10 | 66.91 ± 0.88 | 10.72 ± 1.4 | 0.62 ± 0.04 | 0.35 ± 0.06 | 0.35 ± 0.04 | 0.22 ± 0.03 | 19.19 ± 1.12 | 69.43 ± 0.6 | 11.34 ± 1.0 | 6.24 ± 0.5 | 6.12 ± 0.45 |
| C9 | 16.82 ± 0.13 | 2.27 ± 0.03 | 0.00 | 1.86 ± 0.06 | 66.30 ± 0.9 | 11.41 ± 1.3 | 0.67 ± 0.05 | 0.33 ± 0.04 | 0.30 ± 0.03 | 0.00 | 19.01 ± 1.00 | 68.87 ± 0.7 | 12.08 ± 1.0. | 5.81 ± 0.2 | 5.70 ± 0.22 |
| C10 | 13.15 ± 0.22 | 1.73 ± 0.11 | 0.00 | 2.25 ± 0.08 | 71.89 ± 0.9 | 9.65 ± 0.88 | 0.60 ± 0.04 | 0.30 ± 0.03 | 0.21 ± 0.02 | 0.17 ± 0.01 | 15.87 ± 0.23 | 73.83 ± 0.9 | 10.25 ±.09 | 7.45 ± 0.5 | 7.20 ± 0.56 |
Results are expressed as mean ± SD of three sample replicates. SFA: saturated fatty acids sum; MUFA: monounsaturated fatty acids sum; PUFA: polyunsaturated fatty acids sum.
Significance level: ***P < 0.001; **P < 0.01; *P < 0.05; NS = not significant. C16:0 – P < 0.001; C16:1ω7 – P < 0.001; C17:0 – P < 0.001; C18:0 – P < 0.001; C18:1ω9 – P < 0.001; C18:2ω6 – P < 0.001; C18:3ω3 – P < 0.001; C20:0 – P < 0.001; C20:1ω9 – P < 0.001; C22:0 – P < 0.001; C18:1ω9/C18:2ω6 – P < 0.001; MUFA/PUFA – P < 0.001.
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