ISO 7466:1986

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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