1. Fluidized bed drying method

Soybean lecithin powder is dissolved in cooking oil or cream, or disperse

d in water, prepared into a soybean lecithin solution with a content of 10

%-15%, and then sprayed soybean lecithin solution on milk powder partic

les, milk powder particles will be contained in a thin layer of lecithin. The

amount of lecithin is about 0.5%-1.0% of the total product volume .

2. Spray drying method

Add lecithin to the milk, then spray dry the slurry. After this treatment, le

cithin is combined with milk powder particles. The amount of lecithin is

1% to 2% of the dry base weight of milk powder.

3. Dry mixing

Mix lecithin with milk powder raw materials in a dry state at 60-65

degrees Celsius and stir non-stop until lecithin is evenly dispersed on the

surface of the milk powder particles. The amount of lecithin is 1% to

1.5% of the weight of the final product.