Казанский (Приволжский) федеральный университет, КФУ
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ФЕДЕРАЛЬНЫЙ УНИВЕРСИТЕТ
 
SENSITIVE AND SELECTIVE VOLTAMMETRIC SENSORS FOR THE SIMULTANEOUS QUANTIFICATION OF NATURAL PHENOLIC ANTIOXIDANTS IN COGNAC AND BRANDY
Форма представленияСтатьи в зарубежных журналах и сборниках
Год публикации2021
Языканглийский
  • Гусс Екатерина Валерьевна, автор
  • Зиятдинова Гузель Камилевна, автор
  • Библиографическое описание на языке оригинала Ziyatdinova, G. Sensitive and selective voltammetric sensors for the simultaneous quantification of natural phenolic antioxidants in cognac and brandy / G. Ziyatdinova, E. Guss // Chem. Proc. – 2021. – V. 5. – № 1. – Article 1. – 7 p.
    Аннотация Aged distilled beverages (cognac and brandy) contain phenolic antioxidants as their quality markers. Voltammetric sensors based on the carbon nanotubes and electropolymerized pyrocatechol violet (PCV) or p-aminobenzoic acid (ABA) were developed for the simultaneous determination of the phenolic antioxidants in cognac and brandy. The polymerization conditions of PCV and ABA were optimized. Sensors allow for the simultaneous sensitive determination of gallic and ellagic acids as well as syringaldehyde and vanillin. The analytical characteristics are improved vs. other modified electrodes. The sensors show selectivity in the presence of typical interferences and other natural phenolics. The sensors that were developed were tested on cognac and brandy samples.
    Ключевые слова Electrochemical sensors, carbon nanotubes, electropolymerization, gallic acid, ellagic acid, syringaldehyde, vanillin, cognac and brandy
    Название журнала Chemistry Proceedings
    URL https://www.mdpi.com/2673-4583/5/1/1/htm
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