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Phytochemical screening
| Chemical compounds | Stem bark | Leaf |
| Steroids and triterpenoids | +++ | ± |
| Saponosides | +++ | ++ |
| Tannins | ++ | +++ |
| Reducing compounds | +++ | +++ |
| Coumarins | + | ++ |
| Alkaloids | − | − |
| Anthocyanins | +++ | +++ |
| Flavonosides | ± | +++ |
| Emodols | − | − |
| Anthracenosides | + | ± |
− : absent ++: abundant
+ : present +++: very abundant ±: traces
The bark contains 2.59 ± 0.201% equivalent tannic acid against 4.01 ± 0.07% for the leaves.
