Table 1. Results of phytochemical tests of Dioscorea bulbifera leaf extract

No	Qualitative test	Extract type
		n-Hexane	Ethyl acetate	Methanol
1	Alkaloids
	Mayer	–	–	+
	Wagner	–	–	+
	Dragendorf	–	–	+
2	Flavonoids	–	–	+
3	Phenols	–	–	+
4	Steroids	+	+	+
5	Saponins	–	–	+
6	Tannins	+	+	+
7	Terpenoids	+	+	+

(+): positive for secondary metabolites, (–): negative for secondary metabolites.