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New dolabellane-type diterpene alkaloids, nigellamines A(3), A(4), A(5), and C, were isolated from the methanolic extract of an Egyptian medicinal food, black cumin (the seeds of Nigella sativa).(More)
A practical HPLC-MS method for the quantitative determination of salacinol (1) and kotalanol (2), potent alpha-glucosidase inhibitors from Salacia species (Hippocrateaceae) as a specific remedy for(More)