Table 2.

Preliminary chemical composition of the studied plant extracts

Plant	Part used*	Phenols	Tannins	Flavonoids	Saponins	Alkaloids	Anthraquinones	Cardiac glycosides	Steroids	Triterpenes
A. melanantha	W	+	+	+	-	-	+	+	-	-
A. Schweinfurthii	B	+	+	-	-	-	+	+	-	+
	F	+	+	-	-	-	+	+	-	+
	L	+	+	-	-	-	-	+	-	-
B. platyphylla	W	+	+	-	-	-	+	+	-	-
E. floribundus	W	+	+	-	-	-	-	+	-	-
N. latifolia	B	+	+	-	-	-	+	+	+	+
	F	+	+	-	-	-	+	+	-	+
	L	+	+	-	-	-	+	+	+	+
Z. scobra	W	+	-	-	-	+	-	+	-	-

Extract were from [B stem bark, F fruits, L leaves, W whole plant]. (+): Present; (-): Absent