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 477947
Title Radical-Scavenging Compounds from Olive Tree (Olea europaea L.) wood
Author(s) Pérez-Bonilla, M.; Salido, S.; Beek, T.A. van; Altarejos, J.
Source Journal of Agricultural and Food Chemistry 62 (2014)1. - ISSN 0021-8561 - p. 144 - 151.
Department(s) Organic Chemistry
Publication type Refereed Article in a scientific journal
Publication year 2014
Keyword(s) solid-phase extraction - antioxidant activity - phenolic-compounds - complex-mixtures - pruning biomass - potential uses - food-industry - plants - hplc - identification
Abstract The purpose of this study was to complete knowledge on the chemical composition and radical-scavenging activity of olive tree wood. Two new monoterpene glycosides, (-)-oleuropeic acid 6'-O-a-d-glucopyranosyl ester (6a) and (-)-perillic acid 1'-O-ß-d-primeverosyl ester (8), together with the known compounds (-)-oleuropeic acid (1), (-)-olivil (2), the aldehydic form of oleuropein aglycone (3), (+)-1-hydroxypinoresinol 1-O-ß-d-glucopyranoside (4), (-)-oleuropeic acid 1'-O-ß-d-glucopyranosyl ester (5), (-)-oleuropeic acid 6'-O-ß-d-glucopyranosyl ester (6b), and (-)-olivil 4-O-ß-d-glucopyranoside (7) were isolated from an ethyl acetate extract. The radical scavengers found (2–4 and 7) were detected and isolated with the help of the online HPLC-DAD-DPPH/ABTS technique. Compounds 2–4 and 7 displayed a higher antioxidative effect against the free radical DPPH than the reference BHT and lower than hydroxytyrosol, whereas compounds 1, 5, 6a, 6b, and 8 showed no activity.
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