FOOD SCIENCE ›› 2010, Vol. 31 ›› Issue (2): 157-160.doi: 10.7506/spkx1002-6300-201002040

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Identification of Five Stearate Salts Served as Common Food Additives

HUANG Jie,YU Kong-jie,YANG Fang,CHEN Xiang-ming   

  1. Fujian Entry-Exit Inspection and Quarantine Bureau, Fuzhou 350001, China
  • Received:2009-03-09 Revised:2009-08-11 Online:2010-01-15 Published:2010-12-29
  • Contact: HUANG Jie,


A method using combined techniques of heating test, chemical precipitation of metal ions, gas chromatography and infrared (IR) spectroscopy was proposed for the identification of five stearates including stearate acid, calcium stearate, magnesium stearate, sodium stearate and potassium stearate that are commonly used as food additives. In this method, metal ions in stearate salts were identified using chemical precipitation methods, and fatty acids were identified according to gas and IR spectra.

Key words: food additives, stearate salts, identify method

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