Journal
RAPID COMMUNICATIONS IN MASS SPECTROMETRY
Volume 24, Issue 12, Pages 1770-1778Publisher
WILEY
DOI: 10.1002/rcm.4579
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Pterostilbene, the dimethoxy derivative of resveratrol, has drawn much attention recently due to its potential beneficial health effects. The metabolic fate of pterostilbene, however, is not well understood. In the present study, we identified nine novel mouse urinary pterostilbene metabolites, pterostilbene glucuronide, pterostilbene sulfate, mono-demethylated pterostilbene glucuronide, mono-demethylated pterostilbene sulfate, mono-hydroxylated pterostilbene, mono-hydroxylated pterostilbene glucuronide, mono-hydroxylated pterostilbene sulfate, and mono-hydroxylated pterostilbene glucuronide sulfate, using liquid chromatography/atmospheric pressure chemical ionization and electrospray ionization tandem mass spectrometry. The structures of these metabolites were confirmed by analyzing the MSn (n = 1-3) spectra. To our knowledge, this is the first report of the identification of urinary metabolites of pterostilbene in mice. Copyright (C) 2010 John Wiley & Sons, Ltd.
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