Table 1. Phytochemical components of chloroform, n-hexane, methanol and aqueous crude leaf extracts of P. suberosa leaves.

	Extraction method
Class of compounds	Chloroform	n-hexane	Methanol	Aqueous
Alkaloids	−	+	+	+
Sterols	−	−	+	+
Titerpenes	−	−	+	+
Saponins	+	+	+	+
Flavonoids	−	+	+	+
Proanthocyanidin	−	−	−	+
Anthraquinones	+	−	−	−
Tannins	−	−	+	+

Notes.

+, Presence of constituent; −, Absence of constituent.