Patent ID: 8609151

Claim:
A process for the production of a substance or composition for the therapeutic or prophylactic treatment of erectile dysfunction or the enhancement of libido in a male human or animal subject, the process comprising the step of formulating the substance or composition from at least one of plant material and an extract of plant material of at least one plant species of the Genus Monsonia the material and the extract including at least one compound selected from 9-(1′,3′-benzodioxol-5′-yl)-4,5,6,7-tetramethoxynaphtho[2,3-c]furan-1 (3H)-one (Compound 3), 9-(3′,4′-dimethoxyphenyl)-4-hydroxy-6,7-methylenedioxynaphtho[2,3-c]furan-1(3H)-one (Compound 5), 3-(1′,3′-benzodioxol-5′-ylmethylene)-4-(3″,4″-dimethoxybenzyl)dihydrofuran-2(5H)-one (Compound 6), and 4-(3′,4′-dimethoxyphenyl)-9-methoxy-6,7-methylenedioxynaphtho[2,3-c]furan-1(3H)-one (Compound 7).