Table 1.
Test | Seed extract | Observation |
---|---|---|
Reducing Sugar | – | dark greenish |
Anthraquinone | + | deep red coloration of aqueous layer |
Terpenoids | + | deep red coloration |
Flavonoids | + | colorless |
Saponins | + | persistence of frothing |
Tannins | + | dark greenish grey coloration |
Alkaloids | – | dark greenish |
+: Presence; –: Absence.