A rapid protocol for subtyping vancomycin-resistant enterococci by pulsed-field gel electrophoresis is reported. The procedure is simple and potentially cost-effective and allows reproducible subtyping of the strains in approximately 1 day.
From the methanolic extract of roots of spotted cow parsley (Chaerophyllum maculatum Willd.) a new lignan, named kaerophyllin, has been isolated and identified as A-(trans-3,4-dimethoxybenzylidene)- beta-(3,4-methylenedioxylbenzyl)-gamma-butyrolactone. Its structure has been established on the basis of the analysis of UV, IR-, (1)H-NMR, (13)C-NMR and mass spectra.
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