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À propos de : Resveratrol, Pterostilbene, and Piceatannol in VacciniumBerries        

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  • Resveratrol, Pterostilbene, and Piceatannol in VacciniumBerries
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  • A study was conducted to determine the presence of resveratrol, pterostilbene, and piceatannol inVaccinium berries. Samples representing selections and cultivars of 10 species from Mississippi,North Carolina, Oregon, and Canada were analyzed by gas chromatography/mass spectrometry.Resveratrol was found in Vaccinium angustifolium (lowbush blueberry), Vaccinium arboretum(sparkleberry), Vaccinium ashei (rabbiteye blueberry), Vaccinium corymbosum (highbush blueberry),Vaccinium elliottii (Elliott's blueberry), Vaccinium macrocarpon (cranberry), Vaccinium myrtillus(bilberry), Vaccinium stamineum (deerberry), Vaccinium vitis-ideae var. vitis-ideae (lingonberry), andVaccinium vitis-ideae var. minor (partridgeberry) at levels between 7 and 5884 ng/g dry sample.Lingonberry was found to have the highest content, 5884 ng/g dry sample, comparable to that foundin grapes, 6471 ng/g dry sample. Pterostilbene was found in two cultivars of V. ashei and in V.stamineum at levels of 99−520 ng/g dry sample. Piceatannol was found in V. corymbosum and V.stamineum at levels of 138−422 ng/g dry sample. These naturally occurring stilbenes, known to bestrong antioxidants and to have cancer chemopreventive activities, will add to the purported healthbenefits derived from the consumption of these small fruits. Keywords: Vaccinium; blueberry; cranberry; deerberry; lingonberry; resveratrol; pterostilbene; piceatannol
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