Table 3.
Chemical compositions of 15 samples of commercial cold-pressed pomegranate seed oil, categorized according to the country of origin: Italy (6 samples) and Turkey (9 samples.).
| Item | Italy | Turkey | SEM 1 | p-Value |
|---|---|---|---|---|
| Palmitic Acid (%) | 3.26 | 2.81 | 0.14 | <0.05 |
| Heptadecanoic Acid (%) | 0.08 | 0.03 | 0.01 | 0.12 |
| Stearic Acid (%) | 2.11 | 2.25 | 0.12 | 0.56 |
| Oleic Acid (%) | 6.88 | 4.37 | 0.93 | <0.05 |
| Elaidic Acid (%) | 0.31 | 0.20 | 0.09 | 0.37 |
| Unknown 1 (%) | 0.26 | 0.16 | 0.03 | 0.23 |
| Linoleic Acid (%) | 6.50 | 4.82 | 0.40 | <0.05 |
| Linoelaidic Acid (%) | 0.05 | 0.05 | 0.01 | 0.13 |
| Arachidic Acid (%) | 0.42 | 0.49 | 0.03 | 0.19 |
| Eicosenoic Acid (%) | 0.61 | 0.73 | 0.05 | 0.10 |
| Punicic Acid (%) | 45.91 | 62.60 | 4.86 | 0.07 |
| Behenic Acid (%) | 10.91 | 9.74 | 2.40 | 0.77 |
| Erucic Acid (%) | 12.91 | 8.38 | 1.35 | 0.46 |
| Punicic acid isomer (%) | 8.73 | 2.51 | 0.98 | 0.78 |
| Lignoceric Acid (%) | 0.70 | 0.75 | 0.36 | 0.91 |
| Total Polyphenols (mg kg−1) | 36.62 | 37.65 | 2.45 | 0.75 |
| δ-Tocopherols (mg kg−1) | 964.53 | 212.84 | 130.55 | <0.05 |
| Stigmasterol (mg kg−1) | 91.81 | 143.23 | 10.30 | 0.70 |
| Campesterol (mg kg−1) | 141.46 | 221.61 | 29.57 | <0.05 |
| Lupeol (mg kg−1) | 228.37 | 261.19 | 37.76 | 0.60 |
| Squalene (mg kg−1) | 669.50 | 1504.03 | 144.77 | <0.05 |
| γ-Tocopherol (mg kg−1) | 1626.31 | 1930.25 | 406.14 | 0.56 |
| β-Sitosterol (mg kg−1) | 1119.65 | 1872.87 | 239.82 | <0.05 |
1 Greatest standard error of the mean.