FOOD SCIENCE ›› 2005, Vol. 26 ›› Issue (4): 209-211.

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Study on a New Method for Rapid Inspection of Formaldehyde in Fresh Milk

 YU  Qin, DONG  Wen-Bin, WANG  Shun-Min, ZHAO  Xu-Bo   

  1. College of Life Science and Engineering, Shaanxi University of Science and Technology
  • Online:2005-04-15 Published:2011-09-19

Abstract: In this paper a new method for rapid inspection of formaldehyde in fresh milk was established through the test. AgNO3 and NaOH solution were added to the adulterated sample sequentially and the sample was bath boiled, when the coffee-color of different shades appeared to show reaction the positive. Under the optimum operation conditions, the lowest quantity limit of formaldehyde detected was 7.6μg/ml milk. The test phenomenon showed that the method was sensitive, simple and easy to apply.

Key words: fresh milk, formaldehyde, inspection