Abstract
Objective: Establish a high throughput method for the determination of 57 organic pollutants in edible vegetable oil. Methods: The target compounds were extracted by acetonitrile-hexane solution and purified by disperse solid phase extraction and solid phase extraction, after that the contents of 16 polycyclic aromatic hydrocarbons, 17 phthalates, 8 organochlorines and 16 polychlorinated biphenyls in edible oil were detected by gas chromatography triple quadrupole mass spectrometry. Results: All target components had an excellent linearity within the linear range of 0.001～0.1 μg/mL （r2＞0.998）, and the limits of detection was between 0.16～2.0 μg/kg, meanwhile the average recovery rate of matrix addition was between 71.0%～119.5%, and the relative standard deviation was below 12.6% （n=6）. Furthermore, the method was used to analyze 24 baches of edible oils, and 25 types of target substances were founded. Conclusion: This method is high efficiency, accuracy, high sensitivity, which has great significance for the monitoring of persistent organic pollutants and phthalates in edible oil.
Publication Date
10-20-2023
First Page
65
Last Page
74
DOI
10.13652/j.spjx.1003.5788.2022.60153
Recommended Citation
Yu-xing, LIU; Shou-fu, YI; Wen-yang, XU; Wan-li, TANG; Shao-ying, KANG; and Xia-li, WANG
(2023)
"Determination of 57 organic pollutants in edible vegetable oil by gas chromatography-triple quadrupole mass spectrometry,"
Food and Machinery: Vol. 39:
Iss.
6, Article 11.
DOI: 10.13652/j.spjx.1003.5788.2022.60153
Available at:
https://www.ifoodmm.cn/journal/vol39/iss6/11
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