Abstract
Five monoterpenoid compounds(1-5) were isolated and purified from the acetone fraction of the aqueous extract of Zingiberis Rhizoma Recens by MCI, Sephadex LH-20, silica gel, semi-preparative HPLC, and TLC. Their structures were identified with multiple spectroscopical methods including 1 D-NMR, 2 D-NMR, and MS. The five compounds were identified as(2E,6Z)-8-hydroxy-2,6-dimethylocta-2,6-dien-1-yl-(E)-3-(4-hydroxy-3-methoxyphenyl) acrylate(1),(2E,6E)-8-hydroxy-3,7-dimethylocta-2,6-die-noic acid(2),(E)-1,8-dihydroxy-3,7-dimethyl-2-octenoic acid(3), linalyl-β-D-glucopyranoside(4), and β-D-glucopyranoside-(2E)-3,7-dimethyl-2,6-octadien-1-yl(5), respectively.Compound 1 was a new monoterpene ester, and compounds 4-5 were isolated from this plant for the first time.
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Schedule a callMore From: Zhongguo Zhong yao za zhi = Zhongguo zhongyao zazhi = China journal of Chinese materia medica
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