Journal
FOOD CONTROL
Volume 68, Issue -, Pages 118-123Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.foodcont.2016.03.027
Keywords
Gas chromatography-mass spectrometry; Phthalic acid esters; Edible oils; Oilseeds
Categories
Funding
- earmarked fund for Modern Agro-industry Technology Research System [CARS15-1-10]
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Now, there is a lack of information regarding the occurrence and the content of phthalic acid esters (PAEs) contamination in edible vegetable oils and oilseeds used for oil production in China. In this study, a method for determination of five PAEs was developed based on gas chromatography-mass spectrometry. Method recoveries for oils and oilseeds were 72.4-103.0% and 77.2-98.8%, respectively. RSDs of five analytes in oils and oilseeds were ranging from 1.22 to 8.64% and 0.62-9.37%, respectively. The LODs and LOQs were ranging from 0.10 to 0.79 and 0.33-2.60 mu g/kg, respectively. Based on the established method, PAE concentrations in thirty-four edible oils and twenty-eight oilseeds were evaluated. Five and thirteen oil samples exceeded the upper limits 1.5 and 0.3 mg/kg set for di(2-ethtlhexyl) phthalate and dibutyl phthalate in China, respectively. The results obtained indicated that more concern and comprehensive legislation are still needed and mulriple issues should be considered when it comes to the PAEs contamination in edible vegetable oils. (c) 2016 Elsevier Ltd. All rights reserved.
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