Enrichment of (E)-resveratrol from peanut byproduct with molecularly imprinted polymers |
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Authors: | Schwarz Lachlan J Danylec Basil Yang Yuanzhong Harris Simon J Boysen Reinhard I Hearn Milton T W |
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Institution: | Centre for Green Chemistry, Monash University , Clayton, VIC 3800, Australia. |
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Abstract: | Molecularly imprinted solid phase extraction (MISPE) has been employed to isolate and concentrate bioactive polyphenols from peanut press waste. To this end, a molecularly imprinted polymer (MIP) templated with the phytoalexin (E)-resveratrol has been prepared via self-assembly with the functional monomer 4-vinylpyridine (4VP) in a 1:3 molar ratio. Subsequent molecular interrogation of the MIP binding sites demonstrated preferential structural selectivity for (E)-resveratrol with respect to other structurally related naturally occurring compounds. This selectivity was subsequently exploited to achieve substantial sample cleanup of peanut press waste under aqueous conditions with significant enrichment of (E)-resveratrol (>60 fold) requiring minimal sample preparation. |
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