The effects of an aqueous extract of the root bark of H. trifoliata on various smooth muscle preparations were investigated. The extract had no contractile or relaxant effect on guinea pig gastrointestinal smooth muscle (n = 6), trachea (n = 4), taenia coli (n = 6), nor did it affect the
OBJECTIVE
To investigate the effect of H. trifoliata on: (a) acetic acid-induced ulcers, (b) food intake, (c) water intake, (d) weight gain, (e) gastric acid secretion in rats.
METHODS
Comparative study.
METHODS
Laboratory.
METHODS
20 female Sprague Dawley rats (220 to 250 g) with acetic