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Concept of potentiometric determination

of antioxidant activity

R  N  N  R  2 R  N 2

2 R  O  ROO 
2


ROO I 2     H 2 O  I  OH  ROOH
2

 V proba 

AAR (%)   1 1Na 2 S O 3   100
 V control 
 Na 2 S O 3 

Source: IVANOVA, R. Antiradical capacity of seed extracts evaluated by potentiometric procedure. In
book:“Agrobiodiversity for Improving Nutrition, Health and Life Quality, 2016”, Nitra: Ed.
Agrobiodiversity, Slovakia. pp. 140-144. ISBN 978-80-552-1586-0.