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Chromatogram of FR 8 (track 1, 40 µL), (+)-catechin (track 2, 400 ng), (−)-catechin (track 3, 400 ng), and (−)-epicatechin (track 4, 400 ng) applied as 8 mm bands on the HPTLC cellulose plate developed with water, derivatized with DMACA reagent, and documented with illumination with white light.
