Abstract
Polyphenolic compounds, which are widely distributed in plant-derived foods, recently attracted much attention because of their possible health benefits arising from their antioxidant activity, such as free radical scavengers and inhibition of lipoprotein oxidation. The detection of phenolic substances in food samples has been performed for many methods among them electrochemical sensors and biosensors approaches. Polyphenolic compounds are good substrates for oxidases enzymes, then biosensors modified with tyrosinase, laccase and peroxidase have been developed for detection of phenolic compounds since phenols can act as electron donors for these enzymes. Furthermore, as polyphenols are electroanalytically active compounds that can be easily oxidized at inert electrodes, electrochemical sensors have also been used as tools for estimating the total phenolic content (TPC). This paper critically reviews both electrochemical sensors and biosensors developed for the evaluation of polyphenolic compounds in foods and beverages. Due to the ability of these devices to perform simple, fast and reliable analysis, they are promising tools for the assessment of antioxidant properties.
Keywords: Beverages, Biosensors, Electrochemical Detection, Food, Polyphenols, Sensors
Current Analytical Chemistry
Title:Electrochemical Detection of Polyphenolic Compounds in Foods and Beverages
Volume: 8 Issue: 4
Author(s): Ricard Prehn, Javier Gonzalo-Ruiz and Montserrat Cortina-Puig
Affiliation:
Keywords: Beverages, Biosensors, Electrochemical Detection, Food, Polyphenols, Sensors
Abstract: Polyphenolic compounds, which are widely distributed in plant-derived foods, recently attracted much attention because of their possible health benefits arising from their antioxidant activity, such as free radical scavengers and inhibition of lipoprotein oxidation. The detection of phenolic substances in food samples has been performed for many methods among them electrochemical sensors and biosensors approaches. Polyphenolic compounds are good substrates for oxidases enzymes, then biosensors modified with tyrosinase, laccase and peroxidase have been developed for detection of phenolic compounds since phenols can act as electron donors for these enzymes. Furthermore, as polyphenols are electroanalytically active compounds that can be easily oxidized at inert electrodes, electrochemical sensors have also been used as tools for estimating the total phenolic content (TPC). This paper critically reviews both electrochemical sensors and biosensors developed for the evaluation of polyphenolic compounds in foods and beverages. Due to the ability of these devices to perform simple, fast and reliable analysis, they are promising tools for the assessment of antioxidant properties.
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Cite this article as:
Prehn Ricard, Gonzalo-Ruiz Javier and Cortina-Puig Montserrat, Electrochemical Detection of Polyphenolic Compounds in Foods and Beverages, Current Analytical Chemistry 2012; 8 (4) . https://dx.doi.org/10.2174/157341112803216717
DOI https://dx.doi.org/10.2174/157341112803216717 |
Print ISSN 1573-4110 |
Publisher Name Bentham Science Publisher |
Online ISSN 1875-6727 |
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