Abstract
An efficient analytical method for the quantitative determination of migration levels of antioxidants and UV absorbers in food contact materials by ultra-performance liquid chromatography has been developed. The analytical method showed good linearity, presenting regression coefficients (R 2 ≥ 0.9981) for all compounds. The limits of detection and quantification were between 0.03 and 0.32 mg L−1 and between 0.08 and 1.06 mg L−1 for 29 analytes, respectively. According to European Union Directive No. 10/2011, five food simulants were investigated: 3 % (w/v) acetic acid, 10 % (v/v) ethanol, 20 % (v/v) ethanol, 50 % (v/v) ethanol, and fatty food simulant (isooctane). Recoveries were in the range of 88.43 ∼ 115.28 %, with relative standard deviations between 0.33 ∼ 8.43 %. Migration levels of antioxidants and UV absorbers were determined. Irganox 1010, Irganox 1076, and Tinuvin 120 were found in the majority of the samples generally together with the phosphate Irgafos 168 and its oxidized product. These levels were lower than limits allowed by legislation.
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Abbreviations
- DL:
-
Detection limit
- QL:
-
Quantification limit
- PE:
-
Polyethylene
- PP:
-
Polypropylene
- PA:
-
Polyamide
- PET:
-
Polyethylene terephthalate
- PS:
-
Polystyrene
- LDPE:
-
Low-density polyethylene
- SML:
-
Specific migration limit
- THF:
-
Tetrahydrofuran
- UV:
-
Ultraviolet
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Acknowledgments
This work has been supported by the projects in the National Science & Technology Pillar Program during the Twelfth Five-Year Plan Period (2011BAK10B05-03).
Compliance with Ethics Requirements
We declare that we have no financial and personal relationships with other people or organizations that can inappropriately influence our work. There is no professional or other personal interest of any nature of kind in any product, service and/or company that could be construed as influencing the position presented in, or the review of, the manuscript entitled “Simultaneous Determination of Antioxidants and Ultraviolet Absorbers by Ultra-Performance Liquid Chromatography in Food Simulants.” This article does not contain any studies with human or animal subjects.
Conflict of Interest
Chengfa Li declares that he has no conflict of interest.
Ying Li declares that she has no conflict of interest.
Zhinan Chen declares that he has no conflict of interest.
Feng Liang declares that he has no conflict of interest.
Xuhui Chen declares that he have no conflict of interest.
Shaojing Wu declares that he has no conflict of interest.
Yongtao Li declares that he has no conflict of interest.
Xiaoying Sun declares that she has no conflict of interest.
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Li, C., Li, Y., Chen, Z. et al. Simultaneous Determination of Antioxidants and Ultraviolet Absorbers by Ultra-Performance Liquid Chromatography in Food Simulants. Food Anal. Methods 7, 1755–1762 (2014). https://doi.org/10.1007/s12161-014-9811-0
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DOI: https://doi.org/10.1007/s12161-014-9811-0