Fruit and vegetable juices. Enzymatic determination of D- and L-lactic acid (lactate) content. NAD spectrometric method.

Le présent document spécifie une méthode de détermination de la teneur totale en acides D- et L-lactiques par voies enzymatique dans les jus de fruits et de légumes.

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Main informations

Collections

National standards and national normative documents

Publication date

April 1999

Number of pages

16 p.

Reference

NF EN 12631

ICS Codes

67.160.20 Non-alcoholic beverages

Classification index

V76-142

Print number

1 - décembre 2004

European kinship

EN 12631:1999

Sumary

Fruit and vegetable juices. Enzymatic determination of D- and L-lactic acid (lactate) content. NAD spectrometric method.

Le présent document spécifie une méthode de détermination de la teneur totale en acides D- et L-lactiques par voies enzymatique dans les jus de fruits et de légumes.

Table of contents

Avant-propos
3
1 Domaine d'application
4
2 Références normatives
4
3 Symboles et abréviations
4
4 Principe
4
5 Réactifs
5
6 Appareillage
6
7 Mode opératoire d'analyse
7
8 Calcul
9
9 Fidélité
9
10 Rapport d'essai
10
Annexe A (informative) Bibliographie
11
Annexe B (informative) Résultats statistiques des essais interlaboratoires
12
Annexe C (informative) Comment traiter les réactions parasites
14

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