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Bioassay-guided fractionation of the cytotoxic ethyl acetate extract from the stems of Dasymaschalon blumei (Annonaceae) led to the isolation of four aristololactam alkaloids, including the hitherto unknown 3,5-dihydroxy-2,4-dimethoxyaristolactam (1), as well as the three known compounds, aristolactam BI, goniopedaline, and griffithinam. Additionally, the cytotoxic extract from the combined leaves...
The effect of the crude extract of Artocarpus lakoocha (70% composition is 2,4,3′,5′- tetrahydroxystilbene -THS) on adult Fasciola gigantica was evaluated after incubating the parasites in M-199 medium containing 250, 500, 750 and 1000μg/ml of the crude extract, or triclabendazole (TCZ) at the concentrations of 80 and 175μg/ml as the positive control, for 3, 6, 12 and 24h, using relative motility...
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