Table 1.
Component | Test | Observation | Scoring |
---|---|---|---|
Alkaloid | Dragendorffs | Brownish-red colour | + |
Tannins | Ferric chloride | Blue ink colour | + |
Flavonoid | Pew’s | Red colour | + |
Saponin | Frothing | Persistence foam | + |
Phenol | Buchard | Violet colour | + |
Carbohydrate | Molisch’s | Red colour | + |
Glycosides | Salkowski’s | Reddish brown | + |