Figure 6From: Protective effect of aqueous extract from Spirulina platensis against cell death induced by free radicals ABTS-scavenging activity of Spirulina extract compared with vitamin C and vitamin E at 25 and 50 μg/mL. Data presented as mean values from three replicates; standard deviations < 1% of means. Different alphabets denote significant difference (p < 0.05) at each concentration.Back to article page