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Correlations between total antioxidant capacity and total phenolic content of extracts obtained from different aerial parts of Rudbeckia triloba.
| Extract | Correlation (R2) |
|---|---|
| Infusion | y = −18.132x + 42.952 (0.7760) |
| Decoct | y = −1.8133x + 72.736 (0.1939) |
| Macerate | y = −86.751x + 152.73 (0.9504) |
