Powdered milk and concentrated milk

Legislative Aspects

They are considered "canned milk" by the current legislation.
They are obtained from whole, skimmed or partially skimmed milk, from cream and / or from the mixture of these, by partial or total elimination of water. It is therefore not a question of food but of food products, therefore of technological preparations
The law provides:

• Preventive heat treatment on raw materials (they must undergo at least pasteurization; in many cases the milk powder is obtained from UHT milk collected from supermarkets a few days before the expiry date; obviously the subsequent treatments guarantee the quality of the product).
• Use of antioxidant and stabilizing additives
• Storage by sterilization or UHT and aseptic packaging for partially dehydrated milk; in totally dehydrated milk the "residual moisture" must be less than 5% - it must not, however, be totally dehydrated because in this case it would no longer be able to resolve.

Note:

• To produce 1Kg of partially dehydrated milk, 2.1 - 2.3 liters of milk are needed (2.6 - 2.7 if sweetened).
• To produce 1 kg of totally dehydrated milk, about 8 kg of whole milk and 10 kg of skimmed milk are needed (after all, if we look at the composition of the milk, we realize that it is made up of 86-88% of water).

Instantly soluble powdered milk

It is obtained by transforming the pre-concentrated milk into foam through the injection of emulsifiers and nitrogen gas and subsequent drying (Foamdrying).
By re-moistening the milk powder with steam-saturated air and drying it again with hot air, the lactose changes from the amorphous to the crystalline form and the powder takes on a porous texture that allows rapid resolution.
Dehydrated milks are used for:

• direct consumption (humanitarian aid, milk sachets used, for example, on the plane);
• industrial production (chocolate, biscuits, ice cream, preserved meats, see frankfurters).

Requirements for totally or partially dehydrated milk (Legislative Decree 175/2011)

Concentrated milk (partially dehydrated milk) Fatty substance Total dry extract obtained from milk Concentrated milk rich in fat ≥ 15% ≥ 26,5% Concentrated milk or concentrated whole milk ≥ 7.5% ≥ 25% Concentrated partially skimmed milk ≥1% - ≤7.5% ≥ 20% Concentrated skimmed milk ≤ 1% ≥ 20% Sweetened concentrated milk or sweetened concentrated whole milk ≥ 8% ≥ 28% Semi-skimmed concentrated sweetened milk ≥1% - ≤8% ≥ 24% Sweetened concentrated skimmed milk ≤ 1% ≥ 24% Totally dehydrated milk Dehydrated milk containing, by weight: Powdered milk rich in fat or milk powder rich in fat at least 42% fat Powdered milk, whole milk powder, milk powder or whole milk powder not less than 26% and less than 42% of fat Semi-skimmed milk powder or semi-skimmed milk powder more than 1.5% and less than 26% of fat Skimmed milk powder or skimmed milk powder maximum 1.5% fat

Definitions provided for by the aforementioned law decree:

• partially dehydrated milk: liquid product, with or without the addition of sugars, obtained by partial elimination of water from milk, totally or partially skimmed milk or a mixture of these products, possibly with the addition of cream or totally dehydrated milk or of these two products; the addition of totally dehydrated milk to the finished product must not exceed 25% of the total dry extract obtained from the milk.
• totally dehydrated milk: solid product obtained by eliminating water from milk, fully or partially skimmed milk, cream or a mixture of these products and whose water content is equal to or less than 5% by weight of the product all done
  

The aforementioned law decree excludes from the regulation the various types of preserved milk intended for infants and young infants, for which a special regulation is envisaged.

Powdered milk intended for infancy or as a dietary product is regulated by Regulation (EC) 852/2004 and by Legislative Decree 111/92; specific ministerial authorizations are required to produce these milks.

Nutritional properties Milk powder, cow's milk, skimmed

Powdered cow's milk, partially skimmed

Powdered, cow's, whole milk

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