Table 1 Qualitative information on phytochemical constituents of secondary metabolites.
From: Green synthesis of TiO2 for furfural production by photohydrolysis of tortilla manufacturing waste
Method | Phytochemical constituent | Bougainvillea spectabilis | Moringa oleífera | Ricinus communis |
|---|---|---|---|---|
Shinoda test | Flavonoids | + | + | + |
Shinoda test with heat | Flavonoids | + | + | + |
H2SO4 test | Flavone | − | + | + |
Quinones | + | − | − | |
Foam test (5 min) | Saponins | + | + | + |
Foam test (30 min) | Saponins | + | + | + |
NaHCO3 test | Saponins | + | + | + |
HCl test | Tannins and phenols | + | + | + |
FeCl3 test | Tannins and phenols | + | + | + |
Essential oils and fatty substances | Essential oils and fatty substances | − | − | − |
