Silflower oil
Sunflower oil
Oil content (%, w/w) 15.2 ± 0.60 b1 18.0 ± 1.10 a
TPC (%, w/w) 12.3 ± 0.34 a 4.1 ± 0.11 b
Total phenolics (mg GAE/g sample) 1.12 ± 0.01 a 0.46 ± 0.03 b
ABTS assay (inhibition after 5 min, µmol TE/g)
0.78 ± 0.08 a
0.86 ± 0.11 a
Fatty acids
C14:0
2.67 ± 0.00 a
0.04 ± 0.00 b
C16:0
8.14 ± 0.00 a
5.21 ± 0.01 b
C16:1 nd2
0.08 ± 0.00
C17:0 nd
0.04 ± 0.06
C18:0
2.26 ± 0.00 b
4.55 ± 0.00 a
C18:1 c9
19.86 ± 0.00 b
22.49 ± 0.04 a
C18:1 c11
0.52 ± 0.00 a
0.39 ± 0.01 b
C18:2 c9,12 65.53 ± 0.01a
65.48 ± 0.01 a
C18:3 c9,12,15
0.13 ± 0.00 a
0.00 ± 0.00 b
C20:0
0.27 ± 0.00 b
0.31 ± 0.00 a
C20:1 c11
0.16 ± 0.00 a
0.11 ± 0.00 b
C22:0
0.13 ± 0.00 b
0.95 ± 0.00 a
C24:0
0.34 ± 0.00 b
0.36 ± 0.00 a
%Unsaturated fatty acids 86.20
88.55
Squalene, %
4.34 ± 0.02 (by GC) 4.89 ± 0.00 (isolated yield)
nd
α-Tocopherol (μg/g) 305.5 ± 1.6 b 660.1 ± 7.9 a
Free fatty acid (%)
1.00 ± 0.01 b 0.47 ± 0.01 a
Chlorophyll as pheophytin a (mg/Kg)
1002.8 ± 48.3 a
2.7 ± 0.3 b