Table 1.
Preliminary screaning of hexane, ethanolic and aqueous extracts of Nidularium procerum Lindm shoots.
Metabolites | Hexane Extract | Ethanolic Extract | Hot Aqueous Extract | Cold Aqueous Extract |
---|---|---|---|---|
Alkaloids Dragendorff | − | + | ++ | +++ |
Alkaloids Wagner | − | + | ++ | +++ |
Alkaloids Mayer | − | + | ++ | +++ |
Reducing Sugars | − | − | − | − |
Quinones | − | − | − | − |
Saponins | − | − | − | − |
Mucilages | − | − | − | |
Coumarins | − | − | − | − |
Steroids/Triterpenoids | ++ | + | − | − |
Resins | − | − | − | − |
Flavonoids | + | ++ | ++ | |
Tannins | − | ++ | + | + |
Blank spaces mean that the test was not performed on the extract.
(+) small quantity positive response was obtained for the chemical group in the extract.
(++) medium quantity positive response was obtained for the chemical group in the extract.
(+++) positive response of greater quantity was obtained for the chemical group in the extract.
(−) negative response was obtained for that chemical group in the extract.