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

Pierini, GD, Maccio, SA, Robledo, SN, Ferrari, AGM, Banks, CE, Fernández, H and Zon, MA (2020) Screen-printed electrochemical-based sensor for taxifolin determination in edible peanut oils. Microchemical Journal, 159. ISSN 0026-265X

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Abstract

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 μM and a limit of detection of 0.021 μM. 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 “Córdoba, Argentina, Peanuts”.

Item Type:	Article
Peer-reviewed:	Yes
Date Deposited:	24 Jun 2021 07:57
Publisher:	Elsevier
Additional Information:	This is an Author Accepted Manuscript of an article published in Microchemical Journal.
Divisions:	Faculties > Science and Engineering
Subject terms:	0301 Analytical Chemistry, Analytical Chemistry
URI:	https://e-space.mmu.ac.uk/id/eprint/627977
DOI:	https://doi.org/10.1016/j.microc.2020.105442
ISSN	0026-265X

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