Fourteen new 3,4-seco-cycloartane-type triterpenes, lithocarpic acids A-N (1-14), together with one known compound, coccinetane E (15), were identified from the cupules of Lithocarpus polystachyus. The structures of 1-14 were determined by spectroscopic data analysis and chemical methods, and the
The methanol extracts of leaves, stem and root barks of Lithocarpus celebicus showed a broad spectrum of antibacterial activity which was increased on fractionation (petrol, dichloromethane, ethylacetate), particularly in the ethyl acetate fraction of the stem bark and petrol fraction of the root
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