ISO 7466:1986
ISO 7466:1986 Fruit and vegetable products – Determination of 5-hydroxymethylfurfural (5-HMF) content
CDN $85.00
Description
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.
Edition
1
Published Date
1986-09-18
Status
PUBLISHED
Pages
3
Language
English
Format
Secure PDF
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Abstract
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.
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