article · Natural Product Research
The metabolites profile of Egyptian P. dulce bark was investigated using UPLC-ESI-MS/MS analysis with subsequent analysis of its cytotoxicity, antimicrobial, and antioxidant activities. Asides, in silico molecular docking study was performed for validation of cytotoxicity. P. dulce bark showed richness in polyphenolics and flavonoids, displaying 575.5 mg GAE/g extract (total phenolic content) and 310.82 mg CE/g extract (flavonoid content). A total of 29 compounds were tentatively identified. Proanthocyanidins and phenolic acids were the major classes observed. P. dulce bark possessed promising antioxidant and cytotoxic activities, however, it exhibited a weak antimicrobial activity. No antifungal activity was observed. In silico molecular docking revealed that daidzein compound achieved the best interaction energy score on the 5II2 of Gibbs free energy of −6.911 kcal/mol. This study revealed that P. dulce bark can be introduced as a potential source for valuable bioactive compounds that supporting its usage in food and pharmaceutical industries.
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DOI: 10.1080/14786419.2022.2140153
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