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
  • :
    ISO/TC 34/SC 3
    Fruits and vegetables and their derived products
  • 67.080.01
    Fruits, vegetables and derived products in general

Buy this standard

Format Language
  • CHF38

Life cycle

Got a question?

Check out our FAQs

Customer care
+41 22 749 08 88

Opening hours:
Monday to Friday - 09:00-12:00, 14:00-17:00 (UTC+1)

Keep up to date with ISO

Sign up to our newsletter for the latest news, views and product information.