Ajay, M Mechanisms of the anti-hypertensive effect of Hibiscus sabdariffa L. calyces. [electronic resource] - Journal of ethnopharmacology Feb 2007 - 388-93 p. digital Publication Type: Journal Article; Research Support, Non-U.S. Gov't ISSN: 0378-8741 Standard No.: 10.1016/j.jep.2006.08.005 doi Subjects--Topical Terms: Acetylcholine--pharmacologyAnimalsAntihypertensive Agents--pharmacologyAorta, Thoracic--drug effectsEndothelium, Vascular--drug effectsHibiscus--chemistryHypertension--physiopathologyIn Vitro TechniquesMaleMethanol--chemistryNitroprusside--pharmacologyPlant Extracts--pharmacologyRatsRats, Inbred SHRVasodilation--drug effectsVasodilator Agents--pharmacology