Starts as pasteurized skim milk. It is then partly evaporated and spray-dried into small particles. "Instant" skim milk powder has an additional step—it is blown into a steam chamber, then redried. The larger particles formed dissolve easily in water. Both vitamin A and D are added. When reconstituted, the nutrient value is equivalent to fluid skim milk.
Diane says:
purchased a “vintage” milk can which has an impression: “SMP” on the metal handle. what does this mean?
BC Dairy Association says:
That’s a good question. We wonder if it stands for “___ milk producers” but we really aren’t sure. Let us know if you find out!