Figure 1
From: Studies on antidiarrhoeal, antispasmodic and bronchodilator activities of Operculina turpethum Linn
Concentration-response curves showing the effect of the crude extract of O. turpethum black variety (OTB) (A), and its hexane fraction (OTB.Hex) (B) and ethyl acetate fraction (OTB.EtOAc) (C) and compared with that of verapamil (D) on spontaneous and high K + -induced contractions in isolated rabbit jejunum preparations. The symbols represent mean ± S.E.M of 4 to 6 determinations.