FOOD SCIENCE ›› 2004, Vol. 25 ›› Issue (7): 151-153.

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Determination of Trifluralin Residues in Garlic by HPLC

 HUANG  Ling-Zhi, DAI  Hua, LI  Yong-Jun, GAO  Xiao-Lan   

  1. 1.Department of Chemistry and Environmental Engineering,Changsha University of Science and Technology;2.Hunan Entry-exit Inspection and Quarantine Bureau
  • Online:2004-07-15 Published:2011-10-24

Abstract: A method for determination of trifluralin in garlic by HPLC was developed. The trifluralin residues in sample wasextracted by n-hexane. The extract was cleanup by Florisil Column. A HPLC column of SUPELCO Discovery RP-AmideC16(25cm×4.6mm ID, 5μm)was used with elution (0.5ml/min), MeOH-H2O for detection by HPLC-UV, resulted in a detectionlimit of 0.025mg/kg in garlic, a recovery>74% and a coefficient of variation<8%.

Key words: garlic, trifluralin, HPLC