Determination of In Vitro Antimicrobial Activity of Five Sri Lankan Medicinal Plants against Selected Human Pathogenic Bacteria

Table 2

Summary of the phytochemicals present in five plant species.

Phytochemical	Plant species
	A. falcatus	A. longifolia	V. zizanioides	E. divericata	C. sativum
Tannins	+	+	+	+	+
Phenolic compounds	+	+	+	+	+
Reducing sugars	−	−	−	−	−
Saponins	+	+	+	+	−
Alkaloides	−	+	+	+	+
Cyanogenic glycosides	−	−	−	−	−
Cardiac glycosides	+	+	+	+	+
Flavonoids	+	+	+	+	+

Positive mark (+) indicates the presence of the phytochemical. Negative mark (−) indicates the absence of the phytochemical.