Articles

CHARACTERIZATION OF NÜZHENIDE AND RELATED SECOIRIDOIDS IN OLEA EUROPEA L. SEEDS USING MALDI-TOF MASS SPECTROMETRY

Article number
939_54
Pages
403 – 410
Language
English
Abstract
Matrix-assisted laser desorption/ionization (MALDI) time-of-flight (TOF) mass spectrometry was used to study extracts of olive seeds at different maturation stages of fruits collected in the years 2009 and 2010. For comparison purposes LC-DAD-MS/MS assays were also done.
Both methodologies confirmed the presence in olive seeds of secoiridoid compounds with higher molecular mass than nüzhenide
11-methyl-oleoside such as nüzhenide di and tri (11-methyl-oleosides). 11-methyl-oleoside glucosides derivatives such as hexa, penta and tetra derivatives were detected in seeds of mature fruits of the year 2009 suggesting a relationship of these compounds with olives maturation stage.

Publication
Authors
S. Silva, P. Boross, R. Soares, A.V. Coelho, L. Vilas Boas, M.R. Bronze
Keywords
secoiridoids, olive seeds, 11-methyl-oleoside, LC-DAD-MS, MALDI-TOF-MS
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