Native oils from apple, blackcurrant, raspberry, and strawberry seeds as a source of polyenoic fatty acids, tocochromanols, and phytosterols: A health implication

M Pieszka, W Migdał, R Gąsior… - Journal of …, 2015 - Wiley Online Library
M Pieszka, W Migdał, R Gąsior, M Rudzińska, D Bederska-Łojewska, M Pieszka, P Szczurek
Journal of Chemistry, 2015Wiley Online Library
The oils from strawberry, blackcurrant, raspberry, and apple seeds were characterized by a
high content of unsaturated fatty acids (90.8%, 88.6%, 94.0%, and 86.9%, resp.). Strawberry
and raspberry oils had high levels of C18: 2 (45.4% and 49.0%) and αC18: 3 (29.0% and
33.0%, resp.). Blackcurrant oil was the richest source of γC18: 3 (18.5%) and C18: 4 (3.6%).
Apple oil had high levels of C18: 2 (55.5%) and C18: 1 (29.4%). Blackcurrant oil had 229.5
mg/100 g of tocochromanols, predominantly γ‐tocopherol (117.8 mg/100 g) and α …
The oils from strawberry, blackcurrant, raspberry, and apple seeds were characterized by a high content of unsaturated fatty acids (90.8%, 88.6%, 94.0%, and 86.9%, resp.). Strawberry and raspberry oils had high levels of C18:2 (45.4% and 49.0%) and αC18:3 (29.0% and 33.0%, resp.). Blackcurrant oil was the richest source of γC18:3 (18.5%) and C18:4 (3.6%). Apple oil had high levels of C18:2 (55.5%) and C18:1 (29.4%). Blackcurrant oil had 229.5 mg/100 g of tocochromanols, predominantly γ‐tocopherol (117.8 mg/100 g) and α‐tocopherol (84.3 mg/100 g). Raspberry oil was rich in γ‐, α‐, and δ‐tocopherol (193.5; 65.6; and 32.2 mg/100 g, resp.). Strawberry oil contained γ‐ and δ‐tocopherol, 49.0 and 6.1 mg/100 g, respectively. Apple contained all isomers of α‐, β‐, γ‐, and δ‐tocopherols at 41.7, 62.7, 13.6, and 21.8 mg/100 g, respectively. The level of tocotrienols in the analysed oils ranged from 0.85 to 6.73 mg/100 g. Ten different phytosterols were found in the tested oils. The richest sources of phytosterols were blackcurrant oil (6824.9 μg/g) followed by raspberry (5384.1 μg/g), strawberry (4643.1 μg/g), and apple oil (3460.0 μg/g). The dominant compound in the analysed oils was sitosterol, from 2630 μg/g in apple oil to 3630 μg/g in blackcurrant oil.
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