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Accueil Tous les numéros Volume 29 (2022) OCL, 29 (2022) 9 Full HTML
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Table 5

Fatty acid profiles of almond oil obtained by press and solvent extraction.

Fatty acids Igherm Tafraout Tiznit Taliouine Essaouira
IGs IGb TFs TFb TIs TIb TLs TLb ESs ESb
Palmitic acid Press 7.1 ± 0.1a 6.8 ± 0.1a 6.6 ± 0.1b 6.7 ± 0.1ab 7.1 ± 0.1a 6.9 ± 0.1a 6.8 ± 0.1a 6.6 ± 0.1b 6.8 ± 0.1a 6.4 ± 0.1b
Solvent 8.1 ± 0.1a 6.5 ± 0.1c 7.0 ± 0.1b 6.6 ± 0.1c 6.8 ± 0.1c 6.8 ± 0.1c 6.8 ± 0.1c 6.6 ± 0.1c 7.5 ± 0.1b 7.3 ± 0.1b
Palmitoleic acid Press 0.6 ± 0.1a 0.5 ± 0.1ab 0.4 ± 0.1c 0.4 ± 0.1c 0.4 ± 0.1c 0.4 ± 0.1c 0.5 ± 0.1ab 0.5 ± 0.1ab 0.6 ± 0.1a 0.5 ± 0.1ab
Solvent 0.7 ± 0.1a 0.5 ± 0.1ab 0.4 ± 0.1b 0.4 ± 0.1b 0.3 ± 0.1b 0.4 ± 0.1b 0.5 ± 0.1ab 0.4 ± 0.1b 0.6 ± 0.1a 0.5 ± 0.1ab
Stearic acid Press 2.7 ± 0.1a 3.0 ± 0.1a 1.8 ± 0.1b 2.1 ± 0.1b 3.1 ± 0.1a 2.9 ± 0.1a 2.4 ± 0.1ab 1.8 ± 0.1b 2.5 ± 0.1ab 2.8 ± 0.1a
Solvent 2.2 ± 0.1b 3.3 ± 0.1a 2.2 ± 0.1b 2.1 ± 0.1b 3.4 ± 0.1a 2.2 ± 0.1b 2.5 ± 0.1ab 2.2 ± 0.1b 2.1 ± 0.1b 2.1 ± 0.1b
Oleic acid Press 67.6 ± 0.1a 70.2 ± 0.1ab 71.9 ± 0.1b 70.8 ± 0.1a 64.2 ± 0.1b 67.6 ± 0.1ab 70.2 ± 0.1a 67.9 ± 0.1ab 69.8 ± 0.1a 69.7 ± 0.1ab
Solvent 73.3 ± 0.1a 70.4 ± 0.1b 71.4 ± 0.1b 71.0 ± 0.1b 65.4 ± 0.1c 70.2 ± 0.1b 69.7 ± 0.1b 70.0 ± 0.1b 70.3 ± 0.1b 69.0 ± 0.1b
Linoleic acid Press 21.9 ± 0.1b 19.5 ± 0.1c 19.1 ± 0.1d 20.0 ± 0.1c 25.3 ± 0.1a 22.5 ± 0.1b 20.2 ± 0.1c 23.2 ± 0.1b 20.0 ± 0.1c 20.5 ± 0.1c
Solvent 14.8 ± 0.1c 19.3 ± 0.1b 18.9 ± 0.1b 19.9 ± 0.1b 24.1 ± 0.1a 19.7 ± 0.1b 20.6 ± 0.1b 20.8 ± 0.1b 19.6 ± 0.1b 21.1 ± 0.1b
Linolenic acid Press 0.1 ± 0.1b ND 0.2 ± 0.1a ND ND ND ND 0.2 ± 0.1a ND 0.1 ± 0.1b
Solvent 0.1 ± 0.1 ND ND ND 0.2 ± 0.1a 0.1 ± 0.1b 0.1 ± 0.1b 0.2 ± 0.1a ND ND
SFA* Press 9.8 ± 0.1 9.8 ± 0.1 8.4 ± 0.1 8.8 ± 0.1 10.2 ± 0.1 9.8 ± 0.1 9.2 ± 0.1 8.4 ± 0.1 9.3 ± 0.1 9.2 ± 0.1
Solvant 10.3 ± 0.1 9.8 ± 0.1 9.2 ± 0.1 8.7 ± 0.1 10.2 ± 0.1 9.0 ± 0.1 9.3 ± 0.1 8.8 ± 0.1 9.6 ± 0.1 9.4 ± 0.1
USFA** Press 90.2 ± 0.1 90.2 ± 0.1 91.6 ± 0.1 91.2 ± 0.1 89.9 ± 0.1 90.5 ± 0.1 90.9 ± 0.1 91.8 ± 0.1 90.4 ± 0.1 90.8 ± 0.1
Solvant 88.9 ± 0.1 90.2 ± 0.1 90.7 ± 0.1 91.3 ± 0.1 90 ± 0.1 90.4 ± 0.1 90.9 ± 0.1 91.4 ± 0.1 90.5 ± 0.1 90.6 ± 0.1

*SFA: Saturated fatty acids; **USFA: Unsaturated fatty acids; ND: Not detected.

Results are presented as mean values followed by standard deviation. For each fatty acid, values followed by the same letter are not significantly different at 5% as a probability level.

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