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Sunday April 6,2025,
Simultaneous detection of five synthetic antioxidants in edible oil
  
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KeyWord:edible oil  synthetic antioxidant  high performance liquid chromatography  simultaneous detection
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ZHAO Dongji Food and Agricultural Products Inspection and Testing Center of Haining, Haining 314400, Zhejiang,China 
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Abstract:
      A simple, fast and accurate quantitative simultaneous detection of five synthetic antioxidants, including propylgallate (PG), dodecyl gallate (DG), tert-butylhydroquinone (TBHQ), butylhydroxyanisole(BHA), and butylated hydroxytoluene (BHT) in 25 edible oils, was established based on high performance liquid chromatography. The results showed that the mass concentration of five synthetic antioxidants was in good linear with the chromatographic peak area in range of 10-70 μg/mL, and the correlation coefficient was greater than 0.999. The detection limit and recovery rate were 0.27-0.34 μg/kg and 84.56%-101.12%,respectively. The relative standard deviation was 1.27%-482%.The method had a good accuracy and precision and could separate the five synthetic antioxidants in 13 min,and it could be suitable for the detection and analysis of synthetic antioxidants in edible oils.
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