Table 1 Phytochemical analysis of Nicotiana tabacum leaf extracts
Solvents | Phytochemicals (‘+’ indicates presence; ‘−’ indicates absence) | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
Alkaloids | Carbohydrates | Flavonoids | Glycosides | Phenolics | Quinones | Saponins | Steroids | Tannins | Terpenoids | |
Hexane | − | − | − | − | − | − | + | + | − | + |
Petroleum ether | − | − | − | − | − | − | + | + | − | + |
Dichloromethane | + | − | − | − | − | − | − | − | − | + |
Chloroform | + | + | - | + | − | + | − | + | - | + |
Acetone | + | - | + | − | + | + | + | + | - | + |
Ethyl acetate | − | − | − | − | − | + | + | - | + | + |
Methanol | + | + | + | + | + | + | + | + | + | + |
Aqueous | + | + | + | + | − | − | − | + | + | − |