Effects of rhubarb on isolated gastric muscle strips of guinea pigs

Table 3 Effect of rhubarb and antagonists plus rhubarb on the mean contractile amplitude of gastric body CM of guinea pigs (mean±SE, n = 12).

Group	0	1%	3%	10%	30%	100%
Rhubarb	0.59±0.10	0.59±0.11	0.64±0.11	0.51±0.09	0.47±0.10	0.36±0.07b
Atropine (10-6 mol/L)+rhubarb	0.57±0.10	0.55±0.10	0.51±0.09a	0.48±0.10a	0.44±0.10a	0.33±0.07a
Isoptin (5×10-8 mol/L)+rhubarb	0.59±0.09	0.53±0.08	0.49±0.07b	0.44±0.07a	0.56±0.12	0.53±0.10
Hexamethonium (10-5 mol/L)+rhubarb	0.59±0.12	0.55±0.12a	0.54±0.11a	0.52±0.11a	0.48±0.10a	0.42±0.09a

^aP<0.05,

^bP<0.01 vs control.