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Correlations between total phenolic content and flavonoids content of extracts obtained from different aerial parts of Rudbeckia triloba.
| Extract | Correlation (R2) |
|---|---|
| Infusion | y = 0.2259x – 0.4251 (0.9971) |
| Decoct | y = 0.7059x – 42.568 (0.5212) |
| Macerate | y = 0.3739x – 17.183 (0.9147) |
