Figure 3From: Assessment of the phytochemical constituents and antioxidant activity of a bloom forming microalgae Euglena tubaThe reductive ability of the extract and standard ascorbic acid. The absorbance (700 nm) was plotted against concentration of sample. Each value represents mean ± S.D. (n = 6). ***p <0.001 vs 0 mg/ml.Back to article page