Fig. 5From: Study of the growth and biochemical composition of 20 species of cyanobacteria cultured in cylindrical photobioreactorsDPPH radical scavenging activity of the 20 strains of cultured cyanobacteria. Error bars represent the standard deviation from the mean (n = 3). The asterisk (*) indicates the highest value (ANOVA, p < 0.05)Back to article page