Research Article
Comparative Study of the Antioxidant Power of Polyphenols of Leaves, Fruits, and Bark of Pistacia atlantica Desf. from Morocco
Table 1
Phytochemical screening of the three organs from Pistacia atlantica.
| Families | Pistacia atlantica | Bark | Leaves | Fruits |
| Alkaloids | Mayer | + | ++ | _ | Dragendorff | + | ++ | _ |
| Polyphenols | Tannins | Gallic tannins | + | +++ | +++ | Cathechic tannins | +++ | +++ | +++ | Flavonoids | Anthocyanins | _ | _ | ++ | Cyanidine reaction | +++ | +++ | +++ | Leucoanthocyanins | +++(catechols) | +++ | ++(catechols) |
| Free anthracene derivatives | _ | _ | _ | Combined anthracene derivatives | O-heterosides | ++ | ++ | ++ | C-heterosides | _ | + | +++ |
| Sterols and triterpenes | +++ | +++ | +++ |
| Mucilages | +++ | _ | +++ |
| Saponosides | _ | _ | _ |
| Cardiotonic heterosides | _ | ++ | _ |
| Carotenoids | _ | _ | -/+ |
| Oses and holosides | +++ | +++ | +++ |
| Quinones | _ | _ | _ |
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