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Influence of Pomace Matrix and Cyclodextrin Encapsulation on Olive Pomace Polyphenols’ Bioaccessibility and Intestinal Permeability (CROSBI ID 275870)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

Radić, Kristina ; Jurišić Dukovski, Bisera ; Vitali Čepo, Dubravka Influence of Pomace Matrix and Cyclodextrin Encapsulation on Olive Pomace Polyphenols’ Bioaccessibility and Intestinal Permeability // Nutrients, 12 (2020), 3; 669, 16. doi: 10.3390/nu12030669

Podaci o odgovornosti

Radić, Kristina ; Jurišić Dukovski, Bisera ; Vitali Čepo, Dubravka

engleski

Influence of Pomace Matrix and Cyclodextrin Encapsulation on Olive Pomace Polyphenols’ Bioaccessibility and Intestinal Permeability

Olive pomace is a rich source of biologically active compounds, mainly polyphenols. Recently, an efficient and sustainable cyclodextrin (CD)-enhanced extraction was developed. It enabled a relatively simple formulation of high-quality olive pomace extracts (OPEs) that can be used as alternative sources of olive-derived polyphenols in the nutrition and pharma industries. However, biological effects and nutraceutical potential of OPEs are primarily limited by generally low oral bioavailability of major polyphenols (hydroxytyrosol and its derivatives) that can be significantly influenced by OPE matrix and the presence of CDs in formulation. The major goal of this research was to investigate the impact of complex matrix and different types of CDs on gastrointestinal stability and intestinal permeability of major OPE polyphenols, and provide additional data about mechanisms of absorption and antioxidant activity in gut lumen. Obtained results showed high bioaccessibility but relatively low permeability of OPE polyphenols, which was negatively affected by OPE matrix. CDs improved antioxidant efficiency of tested OPEs and tyrosol gastrointestinal stability. Effects of CDs on permeability and the metabolism of particular OPE polyphenols were CD- and polyphenol-specific.

olive pomace extract ; cyclodextrin ; bioavailability ; in vitro gastrointestinal digestion ; antioxidant

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Podaci o izdanju

12 (3)

2020.

669

16

objavljeno

2072-6643

10.3390/nu12030669

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