Polyphenolics from Gymnocarpos decandrus Forssk roots and their biological activities
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Phytochemical investigation of Gymnocarpos decandrus roots lead to the isolation, characterization and evaluation of four compounds: the bis-coumarin daphnoretin, two biflavonoids: wikstrol A and wikstol B in addition to β-sitosterol glucoside. Their structures were established via spectroscopic data. The crude root extract showed a significant antimicrobial activity against Bacillus subtilis. In addition, Coagulation activity of the same extract and daphnoretin were investigated via measuring their effect on prothrombin time (PT) and activated partial thromboplastin time (aPTT) assay in citrated plasma collected from healthy regular blood donors and they were found to prolong the PT and aPTT assays (p < 0.05). The three polyphenolics were described for the first time from the Caryophllaceae family. Furthermore, this is the first phytochemical and biological study to be carried on G. decandrus roots.