Myricatin, a galloyl flavanonol sulfate and prodelphinidin gallates from Myrica rubra

  • Nonaka G
  • Muta M
  • Nishioka I
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Abstract

An investigation of the bark of Myrica rubra has led to the isolation and characterization of myricatin (a galloyl flavanonol sulfate) and four new galloyl prodelphinidin dimers, together with gallic acid, (±)-gallocatechin and 3-O-galloyl-(-)-epicatechin. Evidence for the structures of these compounds was obtained from analyses of1H and13C NMR spectra, and from hydrolytic studies. © 1983.

Author-supplied keywords

  • Myrica rubra
  • Myricaceae
  • galloyl flavanonol sulfate
  • myricatin
  • prodelphinidin gallates
  • tannins.

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Authors

  • Gen Ichiro Nonaka

  • Makiko Muta

  • Itsuo Nishioka

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