Fig. 3

EAEP fraction of EEP is the major fraction to inhibit the contraction of colonic smooth muscle in a dose-dependent manner. 10, 20, 40, 60, 80, 100 and 200 mg/ml of each fraction was subsequentially added to colonic smooth muscle stripe. Left panel: original records of colonic smooth muscle contraction upon treatment with indicated doses of EEP (A), EAEP (B), PEEP (C) and DEP (D). X-axis: time after treatment (min); Y-axis: contractile tension force (g). Right panel: correlation curve from the data in left panel