Journal
FOOD CHEMISTRY
Volume 200, Issue -, Pages 249-254Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.foodchem.2016.01.026
Keywords
Synthetic phenolic antioxidants; Butylated hydroxytoluene (BHT); Butylated hydroxyanisole (BHA); Tert-butyl hydroquinone (TBHQ); Edible oil samples; Gas chromatography-mass spectrometry (GC-MS)
Funding
- Comunidad Autonoma de la Region de Murcia (Fundacion Seneca) [19888/GERM/15]
- Comunidad Autonoma de la Region de Murcia [19462/PI/14]
- University of Murcia
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Three synthetic phenolic antioxidants, butylated hydroxyanisole (BHA), butylated hydroxytoluene (BHT) and tert-butyl hydroquinone (TBHQ), were determined in different edible vegetable oil samples. The analyses were carried out by gas chromatography-mass spectrometry (GC-MS) using microvial insert large volume injection (LVI). Several parameters affecting this sample introduction step, such as temperatures, times and gas flows, were optimised. Quantification was carried out by the matrix-matched calibration method using carvacrol as internal standard, providing quantification limits between 0.08 and 0.10 ng g(-1), depending on the compound. The three phenolic compounds were detected in several of the samples, BHT being the most frequently found. Recovery assays for oil samples spiked at two concentration levels, 2.5 and 10 ng g(-1), provided recoveries in the 86-115% range. (C) 2016 Elsevier Ltd. All rights reserved.
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