Table 1.

Extraction yields and phytochemical composition of the plant extracts.

Plant extract	Part used	Yields (%)	ALK	POL	FLAV	ANTHR	TAN	TRI	STER	SAP
Azadirachta indica	Bark	10.3	+	+	-	-	+	-	+	+
Citrus grandis (Red)	Pericarp	13.4	+	+	+	-	+	+	+	-
	Leaves	6.2	-	-	-	-	-	+	+	-
Citrus grandis (White)	Leaves	2.6	+	+	-	-	+	+	+	-
Cucurbita maxima	Beans	2.6	-	+	-	-	+	+	+	+
Dacryodes edulis	Leaves	6.2	-	+	+	+	+	+	+	+
	Bark	9.1	-	+	-	+	+	+	+	+
	Seeds	6.9	-	+	+	+	+	+	+	+
Hibiscus esculentus	Leaves	1.9	-	+	-	-	+	-	+	-
Ipomoea batatas	Beans	3.3	+	+	+	+	+	+	-	+
Irvingia gabonensis	Leaves	6.7	-	+	-	-	+	-	+	+
Phaseolus vulgaris	Leaves	1.2	-	+	-	-	+	-	+	+
Spondias mombin	Leaves	21.4	-	+	-	-	+	+	+	-
Saccharum officinarum	Leaves	8.4	-	+	-	-	+	-	+	+
Theobroma cacao	Leaves	3.1	-	+	-	-	+	+	+	+
	Beans	6.2	+	+	+	+	+	+	+	+
Uapaca guineensis	Leaves	7.3	-	+	-	-	+	+	+	+
	Bark	6.1	+	+	-	-	+	+	+	+

(-): absent; (+): present; yield calculated as the ratio of the mass of the obtained methanol extract/mass of the plant powder; ALK: alkaloids; ANTH: anthocyanins; ANTHR: anthraquinones; FLAV: flavonoids; POL: polyphenols; SAP: saponins; STER: steroids; TAN: tannins; TRI: triterpenes.