CSA Group Fruit and vegetable products - Determination of 5-hydroxymethylfurfural (5-HMF) content ISO 7466:1986

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-hydroxymethylfurfu ral present, and spectrometric measuring at a wavelenght of 550nm.
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-hydroxymethylfurfu ral present, and spectrometric measuring at a wavelenght of 550nm.

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Fruit and vegetable products - Determination of 5-hydroxymethylfurfural (5-HMF) content - ISO 7466:1986 - CSA Group
Toronto, Ontario, Canada
Fruit and vegetable products - Determination of 5-hydroxymethylfurfural (5-HMF) content
ISO 7466:1986
Fruit and vegetable products - Determination of 5-hydroxymethylfurfural (5-HMF) content ISO 7466:1986
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-hydroxymethylfurfu ral present, and spectrometric measuring at a wavelenght of 550nm.

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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Technical Specifications

  CSA Group
Product Category Standards and Technical Documents
Product Number ISO 7466:1986
Product Name Fruit and vegetable products - Determination of 5-hydroxymethylfurfural (5-HMF) content
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