Compound | Detection method | P. roxburghii | P. wallichiana | P. gerardiana |
---|---|---|---|---|
Alkaloids | Dragendroff test, Mayers test, Wagners test | + | + | + |
Flavonoids | Ferric chloride test | + | + | + |
Amino acids | Ninhydrine test | − | − | − |
Carbohydrates | Mollisch test | + | + | + |
Fats and oils | Sudan 3 | + | + | + |
Tannins | Gelatin test | + | + | + |
Steroids | Salkowski test, sulfur powder test | + | + | + |
Saponin Glycosides | Froth floatation test | + | + | + |
Terpenoids | Lead acetate test | + | + | + |
Phenolics | Salkowski’s test | + | + | + |