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Accueil Tous les numéros Volume 29 (2022) OCL, 29 (2022) 5 Full HTML
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Table 2

Fatty acid composition (%) of monovarietal (Chemlali, Chetoui, Oueslati and Koroneiki) and blended olive oil samples obtained from fruit mixtures (F1…F8) or oil mixtures (O1…O8).

Chemlali 100% Chetoui 100% Oueslati 100% Koroneiki 100% Chemlali × Chetoui
50% Chetoui 40% Chetoui
F1 O1 F2 O2
C16:0 16.54 ± 0.04 a 10.92 ± 0.06 i 16.34 ± 0.02 a 10.70 ± 0.03 i 13.71 ± 002 fg 13.64 ± 0.04 fg 14.19 ± 0.09 cde 13.20 ± 0.86 h
C16:1 2.16 ± 0.01 a b 0.43 ± 0.01 p 2.22 ± 0.00 a 0.99 ± 0.01 o 1.21 ± 0.00 n 1.22 ± 0.00 n 1.37 ± 0.01 m 1.36 ± 0.02 m
C17:0 0.01 ± 0.00 d 0.01 ± 0.00 d 0.01 ± 0.00 d 0.04 ± 0.00 bcd 0.08 ± 0.01 bc 0.07 ± 0.01 bc 0.07 ± 0.01 bc 0.19 ± 0.02 a
C17:1 0.10 ± 0.02 b 0.08 ± 0.01 b 0.12 ± 0.00 b 0.11 ± 0.00 b 0.10 ± 0.01 b 0.1 ± 0.00 b 0.1 ± 0.00 b 0.22 ± 0.11 a
C18:0 2.74 ± 0.00 i 3.27 ± 0.00 a 3.00 ± 0.01 c 2.59 ± 0.01 k 3.03 ± 0.01 b 3.02 ± 0.01 b 3.02 ± 0.00 b 3.00 ± 0.02 c
C18:1 60.78 ± 0.01 e 59.33 ± 0.06 e 60.08 ± 0.01 e 76.32 ± 0.11 a 59.58 ± 0.01 e 59.98 ± 0.04 e 59.75 ± 0.05 e 56.34 ± 3.82 f
C18:2 15.47 ± 0.01 ef 23.30 ± 0.05 a 15.76 ± 0.01 e 6.69 ± 0.10 j 19.81 ± 0.00 b 19.48 ± 0.01 b 19.06 ± 0.02 c 17.86 ± 0.98 d
C18:3 1.12 ± 0.01 l 1.40 ± 0.01 a 1.38 ± 0.01 b 1.13 ± 0.01 kl 1.28 ± 0.00 c 1.25 ± 0.00 ef 1.26 ± 0.00 d 1.25 ± 0.00 de
C20:0 0.47 ± 0.01 fgh 0.49 ± 0.01 de 0.55 ± 0.00 a 0.43 ± 0.01 i 0.48 ± 0.01 ef 0.48 ± 0.00 ef 0.49 ± 0.00 ef 0.49 ± 0.23 ef
C20:1 0.14 ± 0.01 d 0.11 ± 0.01 g 0.16 ± 0.00 a 0.13 ± 0.01 e 0.12 ± 0.01 f 0.12 ± 0.01 f 0.13 ± 0.00 f 0.13 ± 0.01 f
C22:0 0.37 ± 0.01 e 0.61 ± 0.02 b 0.28 ± 0.01 h 0.78 ± 0.02 a 0.52 ± 0.01 c 0.54 ± 0.01 c 0.49 ± 0.01 d 0.48 ± 0.01 d
C24:0 0.09 ± 0.00 cdef 0.06 ± 0.00 d 0.10 ± 0.01 bcde 0.07 ± 0.00 defg 0.07 ± 0.00 defg 0.09 ± 0.01 cdef 0.08 ± 0.00 defg 0.08 ± 0.00 defg
SFA 20.22 ± 0.04 a 15.35 ± 0.03 i 20.28 ± 0.01 a 14.62 ± 0.00 j 17.89 ± 0.01 fg 17.84 ± 0.04 fg 18.33 ± 0.08 cd 17.98 ± 0.58 ef
MUFA 63.18 ± 0.04 j 59.95 ± 0.07 o 62.58 ± 0.01 l 77.56 ± 0.10 a 61.02 ± 0.00 n 61.43 ± 0.05 m 61.35 ± 0.05 m 61.29 ± 0.43 m
PUFA 16.59 ± 0.00 i 24.70 ± 0.04 a 17.14 ± 0.00 f 7.82 ± 0.10 q 21.09 ± 0.01 b 20.73 ± 0.01 c 20.32 ± 0.03 d 20.10 ± 0.02 e
MUFA/PUFA 3.81 ± 0.00 j 2.43 ± 0.01 p 3.65 ± 0.00 l 9.92 ± 0.14 a 2.89 ± 0.00 o 2.96 ± 0.00 n 3.02 ± 0.00 mn 3.05 ± 0.02 m
Chemlali × Oueslati Chemlali × Koroneiki Chemlali × Chetoui × Koroneiki Chemlali × Oueslati × Koroneiki
50% Oueslati 40% Oueslati 50% Koroneiki 40% Koroneiki 20% Chetoui + 20% Koroneiki 20% Oueslati + 20% Koroneiki
F3 O3 F4 O4 F5 O5 F6 O6 F7 O7 F8 O8
C16:0 16.36 ± 0.04 a 16.23 ± 0.05 a 16.30 ± 0.04 a 16.47 ± 0.17 a 13.47 ± 0.05 gh 13.85 ± 0.10 ef 14.01 ± 0.03 def 14.34 ± 0.09 cd 14.44 ± 0.00 c 14.54 ± 0.04 c 15.13 ± 0.09 b 15.23 ± 0.11 b
C16:1 2.14 ± 0.02 cd 2.12 ± 0.02 d 2.07 ± 0.00 e 2.18 ± 0.00 b 1.50 ± 0.01 l 1.58 ± 0.01 j 1.63 ± 0.02 i 1.67 ± 0.02 h 1.55 ± 0.00 k 1.62 ± 0.03 i 1.83 ± 0.02 g 1.88 ± 0.01 f
C17:0 0.03 ± 0.02 cd 0.08 ± 0.01 bc 0.08 ± 0.00 bc 0.06 ± 0.01 bcd 0.07 ± 0.00 bc 0.08 ± 0.00 bc 0.05 ± 0.02 bcd 0.08 ± 0.01 bc 0.07 ± 0.01 bc 0.1 ± 0.04 b 0.06 ± 0.00 bcd 0.07 ± 0.02 bc
C17:1 0.10 ± 0.01 b 0.11 ± 0.00 b 0.12 ± 0.00 b 0.12 ± 0.01 b 0.11 ± 0.00 b 0.12 ± 0.00 b 0.11 ± 0.00 b 0.12 ± 0.00 b 0.11 ± 0.00 b 0.11 ± 0.00 b 0.11 ± 0.01 b 0.12 ± 0.00 b
C18:0 2.87 ± 0.01 e 2.90 ± 0.01 d 2.84 ± 0.01 f 2.85 ± 0.01 ef 2.66 ± 0.01 j 2.66 ± 0.01 j 2.66 ± 0.00 j 2.67 ± 0.01 j 2.85 ± 0.01 ef 2.81 ± 0.02 g 2.76 ± 0.01 hi 2.78 ± 0.01 h
C18:1 60.51 ± 0.04 e 60.54 ± 0.01 e 60.64 ± 0.03 e 60.45 ± 0.14 e 68.94 ± 0.09 b 68.32 ± 0.05 bc 67.59 ± 0.04 bc 66.93 ± 0.05 c 63.36 ± 0.02 d 63.03 ± 0.13 d 64.08 ± 0.02 d 63.77 ± 0.10 d
C18:2 15.64 ± 0.01 e 15.60 ± 0.01 ef 15.61 ± 0.00 ef 15.55 ± 0.03 ef 10.82 ± 0.06 i 11.07 ± 0.01 i 11.55 ± 0.05 h 11.88 ± 0.00 h 15.22 ± 0.02 f 15.42 ± 0.01 ef 13.62 ± 0.07 g 13.79 ± 0.00 g
C18:3 1.24 ± 0.00 f 1.26 ± 0.00 d 1.22 ± 0.00 g 1.22 ± 0.00 g 1.14 ± 0.00 j 1.12 ± 0.01 l 1.13 ± 0.01 jk 1.11 ± 0.01 m 1.18 ± 0.00 h 1.18 ± 0.00 h 1.18 ± 0.00 h 1.16 ± 0.01 i
C20:0 0.51 ± 0.00 c 0.53 ± 0.00 b 0.51 ± 0.00 c 0.51 ± 0.01 c 0.46 ± 0.00 fgh 0.45 ± 0.01 gh 0.46 ± 0.01 fgh 0.45 ± 0.01 h 0.47 ± 0.00 efg 0.50 ± 0.03 cd 0.48 ± 0.00 ef 0.49 ± 0.01 ef
C20:1 0.15 ± 0.00 bc 0.15 ± 0.01 bc 0.15 ± 0.00 bc 0.15 ± 0.00 bc 0.13 ± 0.00 e 0.13 ± 0.01 e 0.13 ± 0.01 e 0.13 ± 0.01 e 0.13 ± 0.00 e 0.13 ± 0.00 e 0.15 ± 0.01 bc 0.15 ± 0.00 bc
C22:0 0.35 ± 0.01 f 0.34 ± 0.02 g 0.37 ± 0.00 e 0.33 ± 0.01 fg 0.60 ± 0.01 b 0.54 ± 0.02 c 0.61 ± 0.01 b 0.54 ± 0.01 c 0.53 ± 0.00 c 0.48 ± 0.01 d 0.48 ± 0.01 d 0.47 ± 0.01 d
C24:0 0.10 ± 0.00 bc 0.13 ± 0.03 a 0.10 ± 0.01 bc 0.10 ± 0.00 b 0.10 ± 0.01 b 0.08 ± 0.00 b 0.08 ± 0.00 b 0.08 ± 0.01 b 0.08 ± 0.00 b 0.08 ± 0.01 b 0.11 ± 0.02 b 0.09 ± 0.00 b
SFA 20.21 ± 0.00 a 20.21 ± 0.02 a 20.20 ± 0.03 a 20.32 ± 0.16 a 17.35 ± 0.02 h 17.66 ± 0.06 g 17.85 ± 0.00 fg 18.15 ± 0.05 de 18.44 ± 0.00 c 18.51 ± 0.09 c 19.02 ± 0.03 b 19.12 ± 0.09 b
MUFA 62.91 ± 0.01 k 62.93 ± 0.03 k 62.98 ± 0.03 k 62.90 ± 0.13 k 70.69 ± 0.08 b 70.15 ± 0.04 c 69.46 ± 0.05 d 68.85 ± 0.04 e 65.16 ± 0.02 h 64.90 ± 0.10 i 66.18 ± 0.03 f 65.92 ± 0.09 h
PUFA 16.88 ± 0.01 g 16.86 ± 0.01 g 16.83 ± 0.00 gh 16.78 ± 0.03 h 11.96 ± 0.06 p 12.19 ± 0.02 o 12.69 ± 0.06 n 12.99 ± 0.01 m 16.40 ± 0.03 j 16.6 ± 0.01 i 14.80 ± 0.06 l 14.96 ± 0.01 k
MUFA/PUFA 3.73 ± 0.00 k 3.73 ± 0.01 k 3.74 ± 0.00 k 3.75 ± 0.00 k 5.91 ± 0.04 b 5.76 ± 0.01 c 5.47 ± 0.03 d 5.30 ± 0.00 e 3.97 ± 0.01 h 3.91 ± 0.01 i 4.47 ± 0.02 f 4.41 ± 0.01 g

SFA: saturated fatty acids; MUFA: monounsaturated fatty acids; PUFA: polyunsaturated fatty acids.

Each value is an average of three determinations ± S.D. Values in the same row with different letters show statistically significant differences (P < 0.05). Each value is expressed as wt% total fatty acid methyl esters.

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