1. THE PROCESS OF RECOVERING A GLYCOSIDE OF SUBSTITUTED A, Y-DIPHENYLPROPANE-DIOL-ONE HAVING HEART- AND VASCULARACTIVITY FROM VEGETABLE MATERIALS WHICH COMPRISES SUBJECTING SAID VEGETABLE MATERIAL, AFTER THERMAL TREATMENT TO INACTIVATE ENZYMES, TO TREATMENT WITH AN ALCOHOL SELECTED FROM THE GROUP CONSISTING OF ETHANOL AND METHANOL UNDER CONDITIONS WHEREIN THE PRESENCE OF MINERAL ACIDS AND OXIDIZING AGENTS IS AVOIDED, FREEZING THE RESULTING EXTRACT FROM SAID SOLVENT AND SEPARATING LIPOID MATERIAL THEREFROM BY TREATMENT THEREOF WITH GLACIAL ACETIC ACID, REDISSOLVING SAID EXTRACT IN SAID ALCOHOL, AND PRECIPITATING THE ACTIVE PRODUCT FROM THE RESULTING SOLUTION BY THE ADDITION THERETO OF ETHER.

10. A THERAPEUTIC AGENT ACTIVE ON THE HEAT AND VASCULAR SYSTEM WHICH COMPRISES A QUALITATIVELY-CONSTANT MIXTURE OF THE GLYCOSIDES OF THE SUBSTITUTED A,$-DIPHENYLPROPANE1,2-DIOL-3-ONE OF THE GENERAL FORMULA: