Screen-printed electrochemical-based sensor for taxifolin determination in edible peanut oils

被引：12
作者：
Dario Pierini, Gaston [1 ]
Antonella Maccio, Sabrina [1 ]
Noel Robledo, Sebastian [2 ]
Ferrari, Alejandro Garcia-Miranda [3 ]
Banks, Craig Edward [3 ]
Fernandez, Hector [1 ]
Alicia Zon, Maria [1 ]
机构：
[1] Univ Nacl Rio Cuarto, Inst Desarrollo Agroind & Salud IDAS, Fac Ciencias Exactas Fis Quim & Nat, Dept Quim,Grp GEANA, Agencia Postal 3, RA-5800 Rio Cuarto, Argentina
[2] Univ Nacl Rio Cuarto, Inst Desarrollo Agroind & Salud IDAS, Fac Ingn, Dept Tecnol Quim,Grp GEANA, Agencia Postal 3, RA-5800 Rio Cuarto, Argentina
[3] Manchester Metropolitan Univ, Fac Sci & Engn, Chester St, Manchester M1 5GD, Lancs, England
来源：
MICROCHEMICAL JOURNAL | 2020年 / 159卷
关键词：
Taxifolin; Peanut oils; Screen-printed electrodes; Electrochemical sensor; OXIDATION; ANTIOXIDANTS; VOLTAMMETRY; ACTIVATION; ELECTRODES; RAT;
D O I：
10.1016/j.microc.2020.105442
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
An electrochemical method for the determination of Taxifolin (Tx) in peanut oil samples using screen-printed electrodes (SPEs) is reported for the first time. The different electroanalytical parameters such as scan rate, supporting electrolyte, pH and accumulation step were optimized. Interference studies were also explored for the determination of Tx in presence of daidzein, quercetin, trans-resveratrol and caffeic acid. The method developed for the Tx determination exhibits a linear response in the concentration range from 0.05 to 1 mu M and a limit of detection of 0.021 mu M. The electrochemical detection method proposed provides a novel, quick, low-cost, reliable and portable method for the in-situ quality control for monitoring the protected designation of origin of the "Cordoba, Argentina, Peanuts".
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页数：6
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