Research Article

Pharmacological Basis for the Medicinal Use of Lepidium sativum in Airways Disorders

Figure 4

Inhibitory concentration-response curves of isoprenaline against carbachol (CCh)-induced contractions in the absence and presence of different concentrations of (a) crude extract of Lepidium sativum (Ls.Cr) and (b) rolipram in isolated guinea-pig tracheal preparations, . The curves obtained by pretreatment of tissues with Ls.Cr and rolipram are significantly different from the respective isoprenaline control curves ( ), Student’s t-test.
596524.fig.004a
(a)
596524.fig.004b
(b)