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Laccase‐Catalyzed Dimerization of Piceid, a Resveratrol Glucoside, and its Further Enzymatic Elaboration

Advanced Synthesis & Catalysis, 2015
AbstractThe laccase‐catalyzed oxidation of piceid, the 3‐β‐D‐glucopyranosyl derivative of the stilbenic phytoalexin resveratrol, allowed isolation of the corresponding β‐5 like trans‐dehydrodimer in good yield (45%) avoiding chromatography. This compound was then submitted to the action of a small library of commercially available hydrolases. While the
Gavezzotti Paolo +5 more
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[Determination of piceid in commercial Rhizoma Polygoni Cuspidati by HPLC].

Zhongguo Zhong yao za zhi = Zhongguo zhongyao zazhi = China journal of Chinese materia medica, 2003
To improve a RP-HPLC method of determining piceid in commercial Rhizoma Polygoni Cuspidati.HPLC method was used, with C18 column (250 mm x 4.6 mm), a mixture of CH3CN-H2O (20:80) as the mobile phase, and detecting wavelength 303 nm.The linear range was 0.0066-0.0792 microgram.microL-1, r = 0.9999 (n = 5). The average recovery rate was 98.5% and RSD was
Lei, Wang +3 more
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Resveratrol and Piceid as Varietal Markers of White Wines