Journal
EUROPEAN FOOD RESEARCH AND TECHNOLOGY
Volume 234, Issue 6, Pages 1049-1054Publisher
SPRINGER
DOI: 10.1007/s00217-012-1722-y
Keywords
Iridoid; Olive pomace; Deoxyloganic acid; FRAP; Chemlali; Oleaceae
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Funding
- Ministere de l'Enseignement Superieur et de la Recherche Scientifique of Tunisia
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From ethyl acetate fraction of olive pomace, solid residue from olive oil extraction, a new compound was isolated and purified through solid-phase extraction using silica Cartridge column chromatography. The structure of the new compound was established as a deoxyloganic acid lauryl ester by spectroscopic data including one- and two-dimensional NMR, electrospray ionization mass spectrometry, infrared analysis and UV spectra. The antioxidant activity of the purified compound was evaluated by measuring the radical-scavenging effect on 2,2-diphenyl-1-picrylhydrazyl and by using the ferric reducing antioxidant power assays. The pure compound has not been previously identified in the genus and could be used as for studying the biosynthetic pathway of oleuropein aglycon.
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