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The peak area for each polyphenol occurring in dry Multi Dinamic Extraction (M.E.D.) extract of brown propolis was identified through the mass spectrum.
| Polyphenols | % Area |
|---|---|
| Quercetin | 1.3 |
| Apigenin | 1.8 |
| Pinobanksin | 1.6 |
| Chrysin | 7.5 |
| Pinocembrin | 5.0 |
| Galangin | 7.8 |
