Abstract
ObjectiveTo evaluate the antioxidant and anticancer potential of different fractions of bark of Costus pictus using various in vitro antioxidant assay systems. MethodsIn this study, assay like DPPH radical, superoxide anion radical scavenging activity, nitric oxide scavenging activity, hydrogen peroxide scavenging activity, metal chelating activity and reducing power were used. The concentrations of total phenolic and flavonoids were also calculated for the extracts. ResultThe present study elucidated for the first time the antioxidant property of bark of C. pictus. This study suggested that, among the three fractions, the chloroform fraction possesses high antioxidant activity which might be helpful in preventing or slowing the progress of various oxidative stress related disorders. Moreover, all fractions possess potent anticancer properties against colon cancer cells of HT29 and lung carcinoma cells of A549. ConclusionsIt can be concluded that the extract of the bark of C. pictus has potential natural antioxidant and this can be used in food industries. There are few reports on the antioxidant capacity of bark of C. pictus and the mechanism of different fractions of bark of C. pictus as antioxidative agents is still not fully understood. Hence further research is underway to analyse and isolate the active compounds responsible for the antioxidant and anticancer activity of different fractions of the bark of C. pictus.
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