Relaxant activity of raspberry?( Rubus idaeus) leaf extract in guinea-pig ileum in vitro

Tea made from the leaves of Rubus idaeus L. (raspberry) has been used for centuries as a folk medicine to treat wounds, diarrhoea, colic pain and as a uterine relaxant. Extracts of dried raspberry leaves prepared with different solvents, ( n ‐hexane, ethyl acetate, chloroform and methanol) were tested in vitro for relaxant activity on transmurally stimulated guinea‐pig ileum. The methanol (MeOH) extract exhibited the largest response and also...