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Abstract Preview

The method comsists in preparing of a test solution by adding water to test portion, in the case of products containing more than 10 mg of free sulphur dioxide per litre, adding of acetaldhyde, then adding of p-toluidine and barbituric acid solution to an aliquot potion of the test solution, thus forming a red coloration by reaction with 5-hydroxymethylfurfural present, and spectrometric measuring at a wavelenght of 550nm.


General information

  • Status :  Published
    Publication date : 1986-09
  • Edition : 1
    Number of pages : 3
  • Technical Committee
    :
    ISO/TC 34/SC 3
    Fruits and vegetables and their derived products
  • ICS :
    67.080.01
    Fruits, vegetables and derived products in general

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Life cycle

A standard is reviewed every 5 years



Revisions / Corrigenda

  • Now confirmed
    ISO 7466:1986

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