European Journal of Experimental Biology Open Access
ISSN: 2248-9215
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Abstract
Antioxidant activity of methanolic extract of blue green algae Anabaena sp. (Nostocaceae)
Gaurav Pant, Gaurav Kumar, L. Karthik, R Gyana Prasuna, K. V. Bhaskara Rao
Blue green algae, Anabaena sp. (Nostocaceae), collected from rice field of Anandapuram,
Visakhapatnam, AP, India was examined for antioxidant properties. Methanol extract was
screened for the estimation of total phenolic content by Folin-Ciocalteau assay. Antioxidant
potential of the extract was measured by 2,2-diphenyl-1-picrylhydrazyl radical scavenging
assay. Methanol extract exhibited 57.06 GAE mg/gm phenolic content and 48.62±0.29% DPPH
radical scavenging activity at 100 mg/ml concentration with an IC50 value of 101.81 mg/ml.
These results concluded that Anabaena sp. possess high antioxidant activity and can used for the
isolation of antioxidant compounds.
