NF EN 15652

Foodstuffs - Determination of niacin by HPLC

Le présent document spécifie une méthode de dosage de la fraction massique de niacine dans les produits alimentaires par chromatographie liquide à haute performance (CLHP) suivant trois types différents d'hydrolyse : l'hydrolyse acide (A), l'hydrolyse enzymatique (B) ou l'hydrolyse acide/alcaline (C). La méthode a été validée par des essais interlaboratoires sur des échantillons enrichis et non enrichis tels que poudre de céréales pour petit déjeuner, céréales au chocolat, jambon cuit, petits pois, petits pois au jambon lyophilisés, soupe lyophilisée, jus d'orange, lait en poudre et farine de blé, à des concentrations allant de 0,5 mg/100 g à 24 mg/100 g.

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