Examination of the Chemical Composition of Propolis 2. Isolation and Identification of 4-Hydroxy-3-Methoxycinnamic Acid (Ferulic Acid) from Propolis

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Abstract
Summary A component of propolis has been identified as 4-hydroxy-3-methoxycinnamic acid (ferulic acid). It was found in the course of the systematic investigation of the chemical composition of propolis, using UV, IR and NMR spectrometry and paper and thin-layer chromatography. The isolation and identification of the compound are described, and reference made to its pharmacological activity.