Table 1. Percentage extraction yields obtained from different S. ferruginea parts using different solvents.

		Yields (%)
Extract	Water	Methanol	Ethyl acetate	Hexane
Stem	17.34 ± 0.33	20.38 ± 0.31	11.79 ± 0.19	8.58 ± 0.43
Leaf	19.59 ± 0.20	22.39 ± 0.22	13.67 ± 0.31	9.48 ± 0.15
Flower	16.09 ± 0.23	18.72 ± 0.17	10.79 ± 0.13	7.63 ± 0.22

All results are means ± SD (n = 3) of triplicate determinations.