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Antioxidant activity of aqueous extracts from Guazuma ulmifolia stem bark (GUEsb) and leaves (GUEl).
| DPPH scavenging | |||
|---|---|---|---|
| IC50 [μg·mL−1] | Maximum activity [μg·mL−1] | (%) | |
| AA | 6.9 ± 1.0 | 25 | 96 |
| BHT | 21.5 ± 7.3 | 75 | 85 |
| GUEsb | 25.2 ± 5.1 | 100 | 91 |
| GUEl | 39.3 ± 8.8 | 100 | 84 |
IC50 and maximum activity of DPPH free radical scavenging of standard antioxidants and the aqueous extracts from Guazuma ulmifolia stem bark (GUEsb) and leaves (GUEl).
