Table 1.
Phytochemical screening.
| Test | Melissa officinalis |
|---|---|
| Phenolic compounds | |
| W-Ext + KOH 3% | + |
| W-Ext + FeCl3 1% | + |
| Tannins | |
| W-Ext + gelatine | - |
| W-Ext + FeCl3 3% | + |
| Flavonoids qualitative | |
| W-Ext + MgO/HCl | + |
| Flavonoids quantitative UV 425 nm | |
| CH3OH-Ext | 0.572 |
| Alkaloids | |
| W-Ext + Mayers Reagent | - |
| W-Ext + Bertrand’s Reagent | - |
| W-Ext + Dragendorff’s Reagent | - |
| W-Ext + Bouchard’s Reagent | + |
| Antraquinones | |
| W-Ext + KOH 3% | - |
| Coumarins | |
| CH3CH2OH-Ext + KOH/UV 365 nm | + |
| Saponins | |
| W-Ext + HCl (persistent foam) | - |
W-Ext – water extract./ CH3OH-Ext – methanol extract / CH3CH2OH-Ext – ethanol extract / (–)negative / (+)positive.