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Bioresources and Bioprocessing

Table 4 Correlation analysis between TPC and antioxidant activity

From: Analysis of the chemical composition and biological activity of secondary residues of Turkish Gall treated by semi-bionic technology

Indicators

TPC

ABTS

DPPH

FRAP

OH

TPC

1.000

− 0.086

0.510

0.707

− 0.718

ABTS

 

1.000

− 0.874

− 0.508

0.739

DPPH

  

1.000

0.841

− 0.962**

FRAP

   

1.000

− 0.895*

OH

    

1.000

  1. *indicates significant, p < 0.05; **indicates highly significant, p < 0.01
  2. TPC Total polyphenols content, ABTS, 2, 2′-azino-bis (3-ethylbenzothiazoline-6-sulfonic acid), DPPH 1,1-Diphenyl-2-picrylhydrazyl Free, FRAP Ferric ion reducing antioxidant power
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