
Hydrolysable tannins depress cardiac papillary muscle contraction and propranolol-induced negative inotropism
Keywords: EFS, electrical field stimulation; DA, digallic acid; GA, gallic acid; GD, germin D; PA, praecoxin A; DF, 1-desgalloyl rugosin F; PP, propranololHydrolysable tannins; Inotropic action; Propranolol-induced negative inotropism; Rat papillary muscle; Isometr