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Effect of extraction methods on the yield of flavonoids.
| Number | Extraction methods | Extraction time | Solvent | Solvent consumption (mL/g) | TFC (mg/g) |
| 2 | Solvent extraction | 40 | 70% Ethanol | 30 | 38.52 ± 1.52c |
| 3 | Microwave-assisted extraction | 60 | 70% Ethanol | 30 | 43.55 ± 1.89b |
| Ultrasonic-assisted extraction | 30 | 60% Ethanol | 25 | 49.01 ± 1.64a |
Different lowercase letters mean significant difference (p < 0.05) under the difference extraction method.
