The essential oil obtained by hydrodistillation of the aerial flowering parts of Pulsatilla albana (Stev.) Bercht. & Presl. was analyzed by GC and GC/MS. Twenty-five compounds representing 97.5% of oil were identified, among them pulegone (39.1%), piperitenone (17.2%), menthone (16.1%), 1, 8-cineole
A search for cytotoxic agents from cultures of the Penicillium sp., isolated from the rhizosphere soil of Pulsatilla chinensis, led to the isolation of four new hybrid polyketide-terpenoid metabolites (1-4), together with fourteen known compounds (5-18). Using a bioassay-guided fractionation
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