Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

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Record number 541662
Title In vitro lipid digestion in raw and roasted hazelnut particles and oil bodies
Author(s) Capuano, Edoardo; Pellegrini, Nicoletta; Ntone, Eleni; Nikiforidis, Constantinos V.
Source Food & Function 9 (2018)4. - ISSN 2042-6496 - p. 2508 - 2516.
DOI https://doi.org/10.1039/c8fo00389k
Department(s) Food Quality and Design
VLAG
Biobased Chemistry and Technology
Publication type Refereed Article in a scientific journal
Publication year 2018
Abstract

Previous studies have proved that the physical encapsulation of nutrients by the cell walls of plant foods modulates macronutrient bioaccessibility during human digestion. In this study, we investigated structural factors that modulate lipid hydrolysis during in vitro digestion of raw and roasted hazelnut particles and isolated oil bodies. Isolated oil bodies exhibited a significantly higher lipid hydrolysis compared to hazelnut particles. Moreover, roasting had an impact on the structure of hazelnut cell walls implying a more efficient diffusion of digestive fluids and enzymes into the hazelnut cells. Heat treatment also caused destabilization of oil body interfacial protein membranes, facilitating their proteolysis under gastric conditions, altering the emulsion properties and enhancing fatty acid release during intestinal digestion. This study underlined the barrier role played by the plant cell wall as well as the impact of heat processing on lipid bioaccessibility in hazelnuts.

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