WERKWIJZE VOOR HET ISOLEREN VAN EEN FARMACOLO- GISCH ACTIEVE STOF UIT PLANTEN, DIE TOT DE FA- MILIE VAN DE LABIATEN BEHOREN.

摘要

Extraction processes are described resulting in the isolation of a pharmacologically active substance from a plant of the Labiatae family. Chemical and physical properties of this compound are given in the specification. Because of its vasodilating and blood pressure lowering effect the compound is useful as a drug for the treatment of hypertension.