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(a) Phytochemical composition of crude extract and various fractions of H. radicata, where the signs (+) and (−) represent the presence and absence, respectively.
| Phytochemicals | Crude extract | n-Hexane fraction | Chloroform fraction | Ethyl acetate fraction |
|---|---|---|---|---|
| Alkaloids | + | − | + | + |
| Anthraquinones | − | − | − | + |
| Tannins | + | − | + | + |
| Glycosides | + | + | + | + |
| Reducing sugars | + | − | − | + |
| Saponins | + | − | − | + |
| Flavonoids | + | − | − | + |
| Phlobatannins | + | − | − | + |
| Steroids | + | + | + | + |
| Terpenoids | + | + | + | + |
| Coumarin | − | − | − | − |
| Emodin | − | − | − | − |
| Anthocyanin | − | − | − | − |
