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Analytical HPLC-chromatogram of an aqueous bark extract of Terminalia paniculata at 254 nm. (1) Gallic acid; (2) Rutin; (3) Ellagic acid; (4) Quercetin. The chromatographic peaks of the analytes were confirmed by comparing their retention time (Rt) and UV spectra with those of the reference standards (≥ 97% purity).
