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ptelea microcarpa/alkaloid

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ArticlesClinical trialsPatents
7 results

Dihydrofuro [2,3-b] quinolinium alkaloids in cultured cells of Ptelea trifoliata L. : Isolation of a new alkaloid, ptelecultinium.

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Two dihydrofuroquinoline alkaloids, ptelefolonium and another new alkaloid, ptelecultinium, have been isolated from callus strains of Ptelea trifoliata L.. Ptelecultinium was not known to occur in the mature plants. The structure of these two alkaloids were established by UV, MS and (1)H-NMR

Antimicrobial agents from higher plants. The quaternary alkaloids of Ptelea trifoliata.

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Quaternary alkaloid extracts of Ptelea trifoliata showed potentially interesting antimicrobial activity. Chromatographic examination showed the presence of six components. Of these, choline and O-4-methyl ptelefolinium were known compounds. Rational structures are proposed for the new alkaloids,

Antagonistic effect of alkaloids and saponins on bioactivity in the quinine tree (Rauvolfia caffra sond.): further evidence to support biotechnology in traditional medicinal plants.

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BACKGROUND The Quinine tree (Rauvolfia caffra) is used as a medicinal plant among traditional communities in many countries to manage tumors and other diseases associated with oxidative stress. To validate indigenous knowledge and possibly position this herb for technology uptake and utilization, we

[Alkaloids in leaves and roots of Ptelea trifoliata L. (Rutaceae)].

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Coumarins and alkaloids from Ptelea trifoliata ssp. pallida var. confinis.

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Studies on the geographical distribution of some alkaloids and coumarins in leaf extracts of Ptelea species.

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Antimicrobial agents from higher plants. The antimicrobially inactive components of Ptelea trifoliata L.

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From the weakly antibacterial non-quaternary alkaloidal fractions from Ptelea trifoliata L. (Rutaceae), ten tertiary quinol-2-one and quinol-4-one alkaloids were isolated and identified. In addition, beta-sitosterol, beta-sitosteryl-beta-D-glucoside and bergapten were isolated. None of these
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