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Table 5 Correlation of IC50 values of different antioxidant activities with total phenolic and total flavonoid contents

From: Phytochemical, antioxidant and hepatoprotective effects of Alnus nitida bark in carbon tetrachloride challenged Sprague Dawley rats

Activity

Correlation R2

TFC

TPC

DPPH scavenging activity

0.91**

0.86*

Nitric oxide scavenging activity

0.55

0.77*

Hydroxyl radical scavenging activity

0.75*

0.84*

β-carotene bleaching scavenging activity

0.68*

0.82*

Iron chelating assay

0.85*

0.83*

Total antioxidant activity

0.79*

0.74*

Total reducing power Assay

0.80*

0.83*

  1. TFC total flavonoid content, TPC total phenolic content
  2. Column with different superscripts are significantly different *, **, indicate P < 0.05, P < 0.01