Fig. 5From: The use of Euphorbia hirta L. (Euphorbiaceae) in diarrhea and constipation involves calcium antagonism and cholinergic mechanismsThe concentration–response curves of Ca++ in the absence and presence of increasing concentrations of the crude extract of E. hirta (a), its fractions petroleum ether (Pet.EH) (b), chloroform (CHCl3.EH) (c), ethyl acetate (Et.Ac.EH) (d), quercetin (e) and nifedipine (f). *p < 0.05, **p < 0.01 (two-way ANOVA followed by Bonferroni’s post-test correction). The data shown as mean ± S.E.M, n = 3-4 individual experiments using tissues of 3 to 4 different animalsBack to article page