Secondary metabolism of olive secoiridoids. New microcomponents detected in drupes by electrospray ionization and high-resolution tandem mass spectrometry

Rapid Commun Mass Spectrom. 2007;21(3):273-8. doi: 10.1002/rcm.2830.

Abstract

Olive drupe tissues have been selected as a possible source of information about the secondary metabolism of oleaceae secoiridoids. The structures of a number of new microcomponents, detected and isolated by a combined high-performance liquid chromatography (HPLC)-fraction collector/ultraviolet electrospray ionization mass spectrometry (UV/ESI-MS) apparatus, can be inferred from the data obtained by high-resolution tandem mass spectrometry in a QqTOF instrument. Some of them (1, 2, 3 and 4) are closely correlated to oleuropein. Others, such as neo-nuzhenide (5) and 2''-hydroxyoleuropein (6), typical of other oleaceae families, have never been found in olive tissues.

Publication types

  • Evaluation Study
  • Research Support, Non-U.S. Gov't

MeSH terms

  • Chromatography, High Pressure Liquid / methods*
  • Food Analysis / methods
  • Fruit / metabolism*
  • Iridoids / analysis*
  • Microchemistry / methods*
  • Olea / metabolism*
  • Spectrometry, Mass, Electrospray Ionization / methods*
  • Spectrophotometry, Ultraviolet / methods*

Substances

  • Iridoids