Description
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The kit is designed for the antioxidant capacity measurement in biological samples.
Background: Bioquochem FRAP assay kit is recommended for total antioxidant activity of single antioxidants in aqueous solution and added to plasma. The assay described here measures the ferric reducing ability of plasma (FRAP). At low pH, when a ferric complex is reduced to the ferrous form (Fe2+), an intense blue color with an absorption maximum at 593 nm develops. This reaction is nonspecific and any half-reaction which has a less-positive redox potential, under reaction conditions, than the Fe3+/Fe2+ complex half reaction will drive Fe3+ complex reduction. Acidic conditions favor reduction of the complex and, thereby, color development, showed that an antioxidant is present.
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