General Information
Hibiscus sabdariffa
(Sorrel, Roselle, Zoborodo, Sobolo, Bissap, Flore de Jamaica, Karkaday)
Traditional use
Cooling, diuretic, antiscorbutic
Preparation
Tea, cold drink (with ginger)
Research
H. Sabdariffa
has been shown to be an effective, well tolerated anti-hypertensive in human trials. In studies on rats, a crude methanolic extract exhibited vasodilatory effects on the aorta – believed to be mediated by inhibition of calcium (Ca2+) influx into vascular smooth muscle cells.
Active compound(s)
hibiscin, delphinidin-3-glucoside, cyanidin-3-sambubioside, sabdaretin, hibiscretin