Preliminary test | Inferences |
---|---|
Tannins and phenolic compounds | ++ |
Saponin | + |
Carbohydrates | − |
Fats and oils | − |
Proteins | + |
Amino acids | + |
Volatile oils | − |
Steroid | + |
Glycosides | |
(a) Anthraquinone glycosides | ++ |
(b) Cardiac glycosides | + |
(c) Cyanogenetic glycoside | − |
(d) Saponin glycosides | + |
(e) Coumarin glycosides | − |
Flavonoids | +++ |
Alkaloids | + |
Terpenoids | + |