This International Standard specifies the reference method for the determination of the fat content of milkbased infant foods.The method is applicable to liquid, concentrated and dried milk-based infant foods with no, or not more than a mass fraction of 5 % (dry matter) of such added matter as starch, dextrin, vegetables, fruit, and meat.NOTE 1 Malto-dextrins without higher molecular mass dextrins, which are often present in infant foods, do not disturb the Röse-Gottlieb extraction even when present in high concentrations.The method is not applicable to products which do not dissolve completely in ammonia owing to the presence of starch or dextrin at mass f