The water phase contains milk solids. These solids usually give a good flavor background, which usually makes addition of a milk or cream flavor unnecessary.
Usually the protein ingredient comes from soybeans, through sometimes the soya proteins is combined with a chalky protein substance called sodium caseinate, which is derived from real milk.
It is a homogenized product and its fat content should not less than 3 per cent and SNF 8,5 per cent.
This product was very unpopular initially, the ‘Filled Milk Act’ was passed by the US Congress in 1923 to prohibit interstate and foreign shipments of such products.
Congress claimed that filled milk was unhealthy, and that it was manufactured to look like real milk, thus confusing consumers.
By 1970s, the drive to reduce the intake of cholesterol on the diet resulted in an increased demand for filled milk products.
Filled Milk