ISO/TR 23304:2021Published

Food products — Guidance on how to express vitamins and their vitamers content

Produits alimentaires — Document d'orientation sur la manière d'exprimer les teneurs en vitamines et en leurs vitamères

Abstract / scope

This document provides guidelines on:

— how to express vitamin quantity,

— the expression of different molecular forms in appropriate units,

— and in some cases, vitamin activity, according to vitamers present or used in food products, in addition to the quantitative content determination obtained from ISO and CEN analytical standards.

It provides information to be used as a basis for discussion between stakeholders and food control laboratories. It is not intended to be prescriptive or exhaustive.