Ingredients, appearance, drinking method.

1. Ingredients: Milk foam is mainly composed of foam in milk powder. The main ingredients are protein particles and fat. Foam will appear when heated. The main ingredients of milk are water, protein, fat, and lactose. and minerals, etc.

2. Appearance: The appearance of milk foam is round and uniform, and it is not easy to dent when pressed by hand, while the appearance of milk is dry, and it will appear lumpy or filamentous, and dents will appear when pressed by hand.

3. Drinking method: Milk foam can be brewed directly with warm water, and the whey protein can be brewed out without affecting the taste. Milk needs to be heated in advance to achieve the purpose of sterilization. Drink directly or add to other drinks.