Valerian extract capsule (VEC) is an effective Chinese patent medicine used for gastrointestinal (GI) diseases. To investigate the detailed pharmacological activity for VEC clinical effects in GI diseases. Sprague-Dawley rats were divided into six groups: control, model, and drug-treated (VEC-L, VEC-M, VEC-H, and teprenone). Rats were orally administered VEC (124, 248, 496 mg/kg) and teprenone (21.43 mg/kg) for 3 consecutive days. After 1 h, the five groups (except the control group) were orally given ethanol...