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.