Figure 1From: Assessment of the phytochemical constituents and antioxidant activity of a bloom forming microalgae Euglena tubaHPLC chromatogram of ETME. Inset shows the expanded region of the chromatogram with retention time of 5-20Â min. Peaks marked signify the retention peak of (1) tannic acid (3.74), (2) reserpine (5.95), (3) methyl gallate (14.27), (4) catechin (18.08), (5) ascorbic acid (24.48) and (6) rutin (66.96Â min) respectively.Back to article page