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. 2015 May 26;10(5):e0128221. doi: 10.1371/journal.pone.0128221

Fig 11. HPLC chromatogram of DBME.

Fig 11

Inset shows expanded region of the chromatogram with retention time of 2–6 minutes. Peaks marked signify the retention peak of purpurin (2.5 min), catechin (3.04 min), tannic acid (3.24 min), reserpine (3.97 min), methyl gallate (14.55 min) and rutin (67.08 min).