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1. The Evaluation of Reduction of Fe(III) in 3‐Hydroxy‐4‐Nitroso‐2,7‐Naphthalene Disulphonic Medium as an Alternative Ferric Reducing Activity Power Assay

Author:
Souza, Maryane Woth; Moya, Horacio Dorigan
Source:
Phytochemical analysis 2015 v.26 no.2 pp. 119-126
ISSN:
0958-0344
Subject:
2,2-diphenyl-1-picrylhydrazyl; absorbance; amino acids; antioxidants; beers; blood serum; electrodes; flavonoids; hydrogen; iron; plant extracts; t-test; urine; wines
Abstract:
... INTRODUCTION: The growing interest in determination of anti‐oxidant capacity through non‐labour, effective and less costly methods encouraged the development of the spectrophotometric procedure presented in this study. OBJECTIVE: To investigate the reduction reaction of Fe(III) in 3‐hydroxy‐4‐nitroso‐2,7‐naphthalenedisulphonic anion (NRS) medium as an alternative ferric reducing activity power (FR ...
DOI:
10.1002/pca.2543