4.6 Article

Chemical constituents of Thai propolis

Journal

FITOTERAPIA
Volume 88, Issue -, Pages 96-100

Publisher

ELSEVIER SCIENCE BV
DOI: 10.1016/j.fitote.2013.04.008

Keywords

Thai propolis; Flavanoids; Phenolic esters; Phenylallylflavanones

Funding

  1. Japan Society for the Promotion of Science
  2. National Research Council of Thailand

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Phytochemical investigation on the constituents of Thai propolis led the isolation of a new phenylallylflavanone, (7 '' S)-8-[1-(4'-hydroxy-3'-methoxyphenyl)prop-2-en-l-yl]-(2S)-pinocembrin (1) and (E)-cinnamyl-(E)-cinnamylidenate (2) from methanolic extract of Thai propolis. Their structures were determined on the basis of extensive NMR spectroscopic analysis. In addition to this, 19 compounds (3-21) belonging to flavonoids and phenolic esters were isolated and identified. (C) 2013 Elsevier B.V. All rights reserved.

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