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Identification of polyphenols from medicinal plant extracts. Polyphenols extracted from the medicinal plants Antirhea borbonica (A), Ayapana triplinervis (B), Terminalia bentzoe (C), and Dodonaea viscosa (D) were identified by Ultra-performance liquid chromatography coupled to electrospray ionization-tandem mass spectrometry analysis (UPLC-ESI-MS-MS) at 280 nm.
