Parameters for Quantitative Evaluation of the Radical-Generating (Pro-Oxidant) Capacity of Metal Ions and the Radical-Scavenging Activity of Antioxidants Using Voltammetric Method

Batalova, V. N.; Slizhov, Yurii G.; Chumakov, Anton A.

doi:10.17516/1998-2836-2016-9-1-60-67

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“…Pro-oxidant activity is defined as the ability of antioxidants to reduce transition metal ions to a lower oxidation state, which refers to the Fenton reaction [ 34 ]. In the Fenton reaction, transition metal ions such as Fe 3+ are reduced by ascorbic acid and then Fe 2+ further react with oxygen and hydrogen peroxide to form highly active and destructive hydroxyl radicals ( Figure 2 B) [ 35 ].…”

Section: Bioactivity Of Ascorbic Acidmentioning

confidence: 99%

Chemical Stability of Ascorbic Acid Integrated into Commercial Products: A Review on Bioactivity and Delivery Technology

et al. 2022

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The L-enantiomer of ascorbic acid is commonly known as vitamin C. It is an indispensable nutrient and plays a key role in retaining the physiological process of humans and animals. L-gulonolactone oxidase, the key enzyme for the de novo synthesis of ascorbic acid, is lacking in some mammals including humans. The functionality of ascorbic acid has prompted the development of foods fortified with this vitamin. As a natural antioxidant, it is expected to protect the sensory and nutritional characteristics of the food. It is thus important to know the degradation of ascorbic acid in the food matrix and its interaction with coexisting components. The biggest challenge in the utilization of ascorbic acid is maintaining its stability and improving its delivery to the active site. The review also includes the current strategies for stabilizing ascorbic acid and the commercial applications of ascorbic acid.

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Section: Bioactivity Of Ascorbic Acidmentioning

confidence: 99%

Chemical Stability of Ascorbic Acid Integrated into Commercial Products: A Review on Bioactivity and Delivery Technology

et al. 2022

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Parameters for Quantitative Evaluation of the Radical-Generating (Pro-Oxidant) Capacity of Metal Ions and the Radical-Scavenging Activity of Antioxidants Using Voltammetric Method

Abstract: In the system, which combines the Fenton reaction or similar (of iron, cobalt, nickel

Cited by 1 publication

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Chemical Stability of Ascorbic Acid Integrated into Commercial Products: A Review on Bioactivity and Delivery Technology

Chemical Stability of Ascorbic Acid Integrated into Commercial Products: A Review on Bioactivity and Delivery Technology

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