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Biodiversity in the alkaloids of Turkish Papaver species
Isolation of new secoberbine-type alkaloids as well as promorph inane- and morphinane-types has revealed the biosynthetic relationship between the alkaloid content and the chromosome numbers of the samples of Miltantha and Oxytona species.
Chemical Constituents of the Different Parts of Colchicum micranthum and C. chalcedonicum and their Cytotoxic Activities
Alkaloids, phenolic compounds and cytotoxic activities from different parts of two Colchicum species, namely C. chalcedonicum and C. micranthum were investigated for the first time and showed high cytotoxicity, while the highest toxicity was determined in the seed extract.
Alkaloids and Bioactivity of Papaver Dubium Subsp. Dubium and P. Dubium Subsp. Laevigatum
Abstract Alkaloids and cytotoxic activity of two samples of Papaver dubium subsp. dubium and one sample of P. dubium subsp. laevigatum have been investigated. Berberine (1), thalifendine (2),
Variation of alkaloid contents and antimicrobial activities of Papaver rhoeas L. growing in Turkey and northern Cyprus
The results indicate that P. rhoeas samples (P8 and P9), which contain roemerine as their major alkaloid, were the most active extracts in the antimicrobial study.
Alkaloids from Turkish Papaver rhoeas.
The major alkaloid isolated from the aerial parts of a sample of P. rhoeas proved to be (+)-rhoeadine. The minor alkaloids were allocryptopine, protopine, coulteropine, berberine, coptisine,