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

  • Pieszka M
  • Migdał W
  • Gąsior R
 et al. 
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Abstract

The oils from strawberry, blackcurrant, raspberry, and apple seeds were characterized by a high content of unsatd. 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 229.5mg/100 g of tocochromanols, predominantly γ-tocopherol (117.8mg/100 g) and α-tocopherol (84.3mg/100 g). Raspberry oil was rich in γ-, α-, and δ-tocopherol (193.5; 65.6; and 32.2mg/100 g, resp.). Strawberry oil contained γ- and δ-tocopherol, 49.0 and 6.1mg/100 g, resp. Apple contained all isomers of α-, β-, γ-, and δ-tocopherols at 41.7, 62.7, 13.6, and 21.8mg/100 g, resp. The level of tocotrienols in the analyzed oils ranged from 0.85 to 6.73mg/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 compd. in the analyzed oils was sitosterol, from 2630 μg/g in apple oil to 3630 μg/g in blackcurrant oil. [on SciFinder(R)]

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