Table 2.
HPLC conditions for flavonoids.
| Instrument | Shimadzu, Japan |
|
| |
| Mobile phase | (A) solution: 1% acetic acid (B) Solution : acetonitrile : water 80% in ratio of 90% B : A |
| Particle size | 5 μm |
| Column | ODS C18 (250 mm × 4.6 mm internal diameter) |
| Flow rate | 1.2 mL/min |
| Column temperature | Room temperature |
| Injection volume | 20 μL |
| Injection concentration | 1 μg/mL |
| Detection wavelength | UV-Vis at wavelength of 254 nm |
| Standards used | Rutin, caffeic acid, apigenin, hesperetin, kaempferol, coumarin, and myricetin |