Table 3. Phytochemical screening (E2KC)

Active compounds Extraction solvent1)
Trichloroethylene Acetone Ethanol Water
Alkaloids + + + +
Polyphenols + + + +
Sterols and triterpenes + +
Tannins + + +
Reducing compounds + + +
Flavonoids + +
Saponins +
Anthraquinones + + +
+/– : presence / absence of the active compounds.
Solvent used to obtain the corresponding extracts.
E2KC: sample 2 Kévazingo from Kango collected at 6 m.