Table 2.

The percent inhibition of high-K⁺ (80 mM)-induced contraction by aqueous leaf extract of M. stenopetala on isolated aorta of guinea pig (n = 10)

Treatment	% of induced	% inhibition of high	Level of
	contraction	K+ (80 mM)	Significance
		induced
		contraction
Control(K+ of 80 mM)	100.0 ± 0.0	0.00 ± 0.00
1.25 mg/ml	98.3 ± 0.6	1.47 ± 0.49	0.772
2.5 mg/ml	88.9 ± 2.7	11.12 ± 2.86	0.255
5 mg/ml	62.8 ± 8.5**	36.55 ± 8.64**	0.001
6 mg/ml	31.4 ± 9.7**	67.76 ± 9.55**	0.001
7 mg/ml	2.9 ± 2.9**	95.56 ± 3.14**	0.001

Data are Mean ± SEM, ** p value < 0.05