Biological and Phytochemical Investigation of Plants XV. Pteryxia terebinthina var. terebinthina (Umbelliferae)

Abstract

Aqueous extracts of Pteryxia terebinthina var. terebinthina were shown to possess antiarrhythmic activity. A novel furanocoumarin, pterybinthinone, the known coumarins pteryxin and umbelliferone, and sucrose were isolated from this plant. Attempts to re-isolate a structurally undefined, defibrillatory substance by means of a published protocol were unsuccessful.