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Influence of Filtering of Cold Pressed Berry Seed Oils on Their Antioxidant Profile and Quality Characteristics by V. Van Hoed; I. Barbouche; N. De Clercq; K. Dewettinck; M. Slah; E. Leber; R. Verhé is a Agricultural and Biological Sciences article available to read on EtoBox.

What is Influence of Filtering of Cold Pressed Berry Seed Oils on Their Antioxidant Profile and Quality Characteristics about?

The quality, composition and colour of 11 oils from six different berries were evaluated before and after filtering of the cold-pressed oils. The filtering did not lead to significant compositional or quality differences, except a minor reduction in oxidative stability. Due to their high degree of unsaturation, the peroxide and p-anisidine values were high for all oils. However, the high level of tocopherols and tocotrienols appears to protect the oils during the oil stability test (significant correlation; r = 0.803; p = 0.003). Tocopherol contents between 138 mg/kg (kiwi seed oil, filtered) and 1639 mg/kg (blackberry seed oil, non-filtered) were found. Phenolic compounds, identified and quantified by HPLC, ranged from 90 mg/kg (blackberry seed oil, filtered) to 15,810 mg/kg (strawberry seed oil, filtered). No correlation was found between the quantified phenolic compounds and the oxidative stability of the oils, suggesting that in these oils the tocopherols were the main antioxidants protecting the lipids during storage.

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Author

V. Van Hoed; I. Barbouche; N. De Clercq; K. Dewettinck; M. Slah; E. Leber; R. Verhé

Publisher

Elsevier Science; Elsevier ; Elsevier BV (ISSN 0308-8146)

Published

2011

Language

EN

Field

Agricultural and Biological Sciences (Life Sciences)