Table 2.

Phytochemical constituents of crude leaves extracts of V. auriculifera and B. polystachiya.

Phytochemical tests	Reagent	Result of qualitative phytochemical screening of the two plant extracts
		V. auriculifera		B. polystachiya
		Ethanol	Methanol	Ethanol	Methanol
Alkaloid	Mayer's reagent	+	–	+	+
	Hager's reagent	+	–	+	+
Flavonoids	Alkaline reagent	+	+	+	+
	Lead acetate	+	+	+	+
	Ammonia	–	+	+	–
Phenols	Alkaline reagent	+	+	+	+
	Lead acetate	+	+	+	+
	Ferric chloride	–	+	+	+
Tannin test	Iron salt	+	+	+	+
	Lead acetate	+	+	+	+
	Ferric chloride	+	+	+	+
Saponin test	Foam test	+	+	+	+
	Sodium nitrate	+	+	+	+
Steroids	Salkowski test	–	–	+	+
Glycosides	Liebermann's	+	+	+	+
	Salkowski test	+	–	+	+
Terpenoids	Chloroform + H2SO4	+	+	+	+

Note: + = presence of phytochemical and - = absence of phytochemical.