Table 1.
S. no | Phytochemicals | Observations | Results |
---|---|---|---|
1 | Alkaloids | Turbidity/precipitation | + |
2 | Flavonoids | Formation of yellow color which changed to colorless on acid addition | + |
3 | Saponins | Formation of frothing bubbles | + |
4 | Tannins | Formation of bluish-black color | + |
5 | Sterols | green to pink color was absent | - |
6 | Glycosides | Formation of red color precipitate | + |
7 | Anthraquinones | Formation of red, violet or pink color in aqueous layer | + |
8 | Terpenoids | Appearance of reddish brown color | + |
9 | Oils | Formation of Greasy spot | + |
Positive symbol (+) shows the presence while negative symbol (-) shows the absence of phytochemicals.