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ISO 23293:2020

Milk-based infant formula powders — Quantification of whey protein content by sodium dodecyl sulfate-capillary gel electrophoresis (SDS-CGE)

Publication date:   Feb 12, 2020

General information

90.93   Standard confirmed   Jun 24, 2025

ISO

ISO/TC 34/SC 5 Milk and milk products

International Standard

67.100.01   Milk and milk products in general

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Scope

This document specifies a method for the determination of the whey to casein protein ratio, ranging from 20:80 to 80:20 in cow milk-based infant formula powders.
This method does not apply to the analysis of infant formulas containing hydrolysed protein or proteins from other sources (e.g. plants or milk from other mammals).

Life cycle

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PUBLISHED
ISO 23293:2020
90.93 Standard confirmed
Jun 24, 2025