Table 6 Correlation between different antioxidant activity assays with flavonoids and phenols of hot water extract and cold water extract of ginger peels
Parameters | ABTS | DPPH | KMnO4 | Phenolics | Flavonoid | Methylene blue |
|---|---|---|---|---|---|---|
ABTS | – | 0.74 | − 1 | 0.65 | 0.74 | 0.32 |
DPPH | – | – | − 1 | 0.71 | 0.91 | 0.85 |
KMnO4 | – | – | − | − 1 | − 1 | − 1 |
Methylene blue | – | – | 0.21 | 0.31 | 0.48 | – |
Phenolic compound | – | – | – | – | 0.85 | – |