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A procedure for assessment of the reducing capacity of plants-derived beverages...

Sacchi, Rafaela L.; Santana, Waila Evelyn Lima; Nunez, C. V.; Moya, Horácio Dorigan

An alternative spectrophotometric ferric reducing activity power (FRAP) method for quantification of total reducing capacity (TRC) was developed. The method is based on the reduction of FeIII to FeII by antioxidant compounds containing 2,2’-bipyridine (bipy) in aqueous solution. Absorbance values recorded at 521 nm, characteristic of the Fe(bipy)3 2+ complex formed, were used to determine the TRC of some plants...

Date: 2020   |   Origin: Oasisbr
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