Comparative Study of Chemical Composition and Biological Activity of Yellow, Green, Brown, and Red Brazilian Propolis

<div><sup>1</sup>H NMR (600 MHz, CD<sub>3</sub>OD/D<sub>2</sub>O) of propolis extracts (solvent signal at <i>δ</i> 3.36–3.27 and the signal for the internal reference TMSP were excluded from NMR spectra).</div>

Evidence-Based Complementary and Alternative Medicine

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Figure 1

Figure 1: Comparative Study of Chemical Composition and Biological Activity of Yellow, Green, Brown, and Red Brazilian Propolis 