The polysulfide diallyl trisulfide protects the ischemic myocardium by preservation of endogenous hydrogen sulfide and increasing nitric oxide bioavailability. - Predmore BL; Kondo K; Bhushan S; Zlatopolsky MA; King AL; Aragon JP; Grinsfelder DB; Condit ME; Lefer DJ (American journal of physiology. Heart and circulatory physiology, 2012)