期刊
MICROCHEMICAL JOURNAL
卷 159, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.microc.2020.105442
关键词
Taxifolin; Peanut oils; Screen-printed electrodes; Electrochemical sensor
资金
- Agencia Nacional de Promocion Cientifica y Tecnologica FONCYT [PICT 2266/2014, PICT 2112/2015]
- Consejo Nacional de Investigaciones Cientificas y Tecnicas CONICET [PIP 112-201101-00184]
- Ministerio de Ciencia y Tecnologia de la Provincia de Cordoba (MINCyT) [PID 050/2010]
- Secretaria de Ciencia y Tecnica (SECyT) (PPI 2016-2018) from Universidad Nacional de Rio Cuarto (UNRC) [331/16]
- SECyT/UNRC
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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