New Metabolites of Two Hybrid Strains ME 0004 and 0005 Derived from Penicillium <i>citreo-viride</i>B. IFO 6200 and 4692

Abstract

Abstract 6-Hydroxy-8-methoxy-3S,5-dimethylisochroman and 6-hydroxy-8-methoxy-3S,5-dimethyl-3,4-dihydroisocoumarin have been isolated from the mycelium of a hybrid strain ME 0004 derived from Penicillium citreo-viride B. IFO 6200 and 4692. The latter has also been produced by the hybrid strain ME 0005 in addition to 11-β-hydroxy-12-oxocurvularin.