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Table 3
Fatty acid composition of oils from initial miscella and phases separated at three cooling temperatures (in relative %).
Process step | Extraction | Cooling separation | |||||
---|---|---|---|---|---|---|---|
Separation temperature | – | +13 °C | +5 °C | −20 °C | |||
Sample | Miscella | Supernatant | Heavy phase | Supernatant | Heavy phase | Supernatant | Heavy phase |
C16:0 | 4.7 ± 0.1 | 4.6 ± 0.0 | 5.2 ± 0.0 | 4.6 ± 0.0 | 5.1 ± 0.0 | 4.5 ± 0.0 | 5.0 ± 0.0 |
C16:1 | 0.2 ± 0.0 | 0.2 ± 0.0 | 0.3 ± 0.0 | 0.2 ± 0.0 | 0.3 ± 0.0 | 0.2 ± 0.0 | 0.3 ± 0.0 |
C18:0 | 1.5 ± 0.1 | 1.5 ± 0.0 | 1.2 ± 0.0 | 1.5 ± 0.0 | 1.1 ± 0.0 | 1.5 ± 0.0 | 1.1 ± 0.0 |
C18:1 | 63.4 ± 0.1 | 63.8 ± 0.0 | 61.0 ± 0.0 | 63.7 ± 0.0 | 60.7 ± 0.0 | 63.7 ± 0.0 | 60.5 ± 0.0 |
C18:2(n-6) | 19.2 ± 0.1 | 18.8 ± 0.0 | 21.2 ± 0.0 | 18.8 ± 0.0 | 21.5 ± 0.0 | 18.9 ± 0.0 | 22.4 ± 0.0 |
C18:3(n-3) | 8.9 ± 0.1 | 8.7 ± 0.0 | 9.5 ± 0.0 | 8.7 ± 0.0 | 9.6 ± 0.0 | 8.7 ± 0.0 | 8.9 ± 0.0 |
C20:0 | 0.5 ± 0.0 | 0.5 ± 0.0 | 0.3 ± 0.0 | 0.5 ± 0.0 | 0.3 ± 0.0 | 0.5 ± 0.0 | 0.3 ± 0.0 |
C20:1 | 1.1 ± 0.0 | 1.2 ± 0.0 | 0.8 ± 0.0 | 1.1 ± 0.0 | 0.8 ± 0.0 | 1.2 ± 0.0 | 0.8 ± 0.0 |
C22:0 | 0.3 ± 0.0 | 0.3 ± 0.0 | 0.1 ± 0.0 | 0.3 ± 0.0 | 0.1 ± 0.0 | 0.3 ± 0.0 | 0.1 ± 0.0 |
Saturated fatty acids | 6.9 ± 0.1 | 7.0 ± 0.0 | 6.8 ± 0.1 | 6.9 ± 0.1 | 6.7 ± 0.0 | 6.9 ± 0.0 | 6.7 ± 0.2 |
Monounsaturated fatty acids | 64.8 ± 0.1 | 65.3 ± 0.0 | 62.1 ± 0.0 | 65.2 ± 0.1 | 61.9 ± 0.0 | 65.3 ± 0.0 | 61.6 ± 0.0 |
Polyunsaturated fatty acids | 28.1 ± 0.1 | 27.5 ± 0.0 | 30.7 ± 0.1 | 27.6 ± 0.0 | 31.0 ± 0.0 | 27.6 ± 0.1 | 31.3 ± 0.2 |
With (n-6) | 19.2 ± 0.1 | 18.8 ± 0.0 | 21.2 ± 0.0 | 18.8 ± 0.0 | 21.5 ± 0.0 | 18.9 ± 0.0 | 22.4 ± 0.1 |
With (n-3) | 8.9 ± 0.1 | 8.7 ± 0.1 | 9.5 ± 0.1 | 8.7 ± 0.1 | 9.6 ± 0.0 | 8.7 ± 0.0 | 8.9 ± 0.1 |
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