FOOD SCIENCE ›› 2005, Vol. 26 ›› Issue (3): 200-201.

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Detection for Benzoic Acid in Chocolate by HPLC

 YU  Ye, HE  Song-Tao, LIU  Yi-Jun, YU  Feng-Juan   

  1. Zhangjiagang Entry-Exit Inspection and Quarantine Bureau
  • Online:2005-03-15 Published:2011-09-19

Abstract: A method for determining benzoic acid in chocolate was established and advanced a pretreatment method by using ferrocyanic cyano-potassium and acetic acid znic as precipitating agent. The detection limits of benzoic acid were, the RSD 2.4%, and the recovery in the range of 90.08%~103.91%.

Key words: Chromatography , High performance liquid , Benzoic acid , Chocolate