FIGURE 1 Characteristic HPLC chromatograms and UV spectra of the anomers punicalin and punicalagin (silicagel RP-18, KH2PO4 0.01 mol L−1 + H3PO4 0.01 mol L−1 + CH3CN - 4:42). 1A- Analytical chromatograms of the mixture. 1B - UV spectra of each compound. 1C-Analytical chromatogram after the preparative HPLC separation.
FIGURE 2 Ellagitannins from the pericarp of the Punica granatum.
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