Journal
FOOD CHEMISTRY
Volume 237, Issue -, Pages 912-920Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.foodchem.2017.06.029
Keywords
Butylated hydroxyanisole; Butylated hydroxytoluene; tert-Butylhydroquinone; Linear sweep voltammetry; Gold nanoparticles; Graphite; Sodium dodecyl sulfate
Funding
- University of Malaya [PG177-2014B]
- UMRG [RP012C-14SUS]
- Ministry of Higher Education of Malaysia (MOHE) [FP041-2016]
- Wipro Manufacturing services
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Butylated hydroxyanisole (BHA), butylated hydroxytoluene (BHT), and tert-butylhydroquinone (TBHQ) are synthetic antioxidants used in the food industry. Herein, we describe the development of a novel graphite nanocomposite-based electrochemical sensor for the multiplex detection and measurement of BHA, BHT, and TBHQ levels in complex food samples using a linear sweep voltammetry technique. Moreover, our newly established analytical method exhibited good sensitivity, limit of detection, limit of quantitation, and selectivity. The accuracy and reliability of analytical results were challenged by method validation and comparison with the results of the liquid chromatography method, where a linear correlation of more than 0.99 was achieved. The addition of sodium dodecyl sulfate as supporting additive further enhanced the LSV response (anodic peak current, I-pa) of BHA and BHT by 2- and 20-times, respectively. (C) 2017 Elsevier Ltd. All rights reserved.
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