Simultaneous determination of 20 acid dyes by ultra-high performance liquid chromatography in dried fruits

  • YANG Tao ,
  • LIU Jun ,
  • LIU Weiguo ,
  • SU Youzhi ,
  • CHANG Yaobao ,
  • MAO Yuqing
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  • 1(College of Ecology and Environment, Xinjiang University, Urumqi 830017, China)
    2(Key Laboratory of Oasis Ecology of Education Ministry, Urumqi 830017, China)
    3(Chengdu Customs Technology Center, Chengdu 610041, China)
    4(Technical Center of Yining Customs, Yining 835099, China)

Received date: 2022-03-07

  Revised date: 2022-04-14

  Online published: 2023-03-20

Abstract

A simultaneous determination method for 20 acid dyes in food was developed by ultra-high performance liquid chromatography equipped with a diode array detector. The samples were extracted with an ultrasonic-assisted solution of acetonitrile water (17∶3, volume ratio). The clear supernatant extract was purified by the GPC cleanup system. The obtained eluate was separated by the C18 column and monitored by a diode array detector. Under this condition, this study got good linearity in the range of 10-50 μg/mL with correlation coefficients above r>0.988 3. The limit of detection and recovery of the method was in the ranges of 0.01-0.26 μg/g and 71%-114%. The precision was 0.80%-7.5% (n=6). This method is a convenient, high-sensitivity, and low-cost method for simultaneously determining 20 acid dyes in foodstuffs.

Cite this article

YANG Tao , LIU Jun , LIU Weiguo , SU Youzhi , CHANG Yaobao , MAO Yuqing . Simultaneous determination of 20 acid dyes by ultra-high performance liquid chromatography in dried fruits[J]. Food and Fermentation Industries, 2023 , 49(4) : 245 -249 . DOI: 10.13995/j.cnki.11-1802/ts.031327

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