High Correlation of 2,2-diphenyl-1-picrylhydrazyl (DPPH) Radical Scavenging, Ferric Reducing Activity Potential and Total Phenolics Content Indicates Redundancy in Use of All Three Assays to Screen for Antioxidant Activity of Extracts of Plants from the Malaysian Rainforest.

Antioxidants (Basel) · 2013 · PMC4665400 · PMID 26787618

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hedged sentence

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closest p · 0.0× alpha

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boldest claim

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highly significantP < 0.0001actually significant

Nevertheless, non-parametric Spearman correlation analysis of all 96 data points demonstrated highly significant ( P < 0.0001) positive correlation between the DPPH and FRAP results ( R = 0.852).

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