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Summary of antioxidant activity.
| Compound | IC50 1 | |
|---|---|---|
| Cell-Free Assay (DPPH) |
Cell-Based Assay (DCFH-DA) |
|
| CBD | 286 µg/mL (910 µM) | 0.001 ng/mL (0.003 nM) |
| CBG | 159 µg/mL (502 µM) | 0.001 ng/mL (0.003 nM) |
| Ascorbic Acid | 5 µg/mL (502 µM) | >100 ng/mL (5.6 nM) |
1 IC50 = Inhibitory concentration at 50%. Results represent average cumulative data from 3 independent experiments. IC50 values were determined from dose–response curves using a four-parameter logistic curve fit.
