(E)-Resveratrol is a polyphenolic plant secondary metabolite that has been shown to demonstrate anticancer, anti-aging, cardioprotection and anti-inflammatory effects, as well as the antioxidant properties. These health benefits have created a growing interest among scientists to extract (E)-resveratrol from plant sources and use it in dietary supplements and medical treatments. Our group determined that bark, which is a waste generated from forest industries, of conifer species (Picea sp.) native to Maine are rich sources of (E)-resveratrol providing a potential value-added product for these industries. We have developed a method to extract and purify (E)-resveratrol from bark, a challenging problem because bark inherently contains a number of polyphenolic compounds with similar chemical properties. Methods involving chromatographic separations and analysis using HPLC-UV-MS and GC-MS have been developed for extraction, isolation in high yield, and quantification of (E)-resveratrol from conifer bark.

Extraction and purification of (E)-resveratrol from the bark of conifer species in Maine

253rd National Meeting (2017)

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