The working principle of a cream whipper involves the interaction between bubble formation and protein molecules. Without external force, carbon dioxide cannot directly penetrate the protein molecules. However, when the blades of a cream whipper rotate at a high speed of approximately 40,000 RPM, they apply sufficient physical pressure and shear force to the protein molecules, breaking their structure and releasing internal bubbles. In this process, carbon dioxide molecules can penetrate the protein molecules, forming a stable foam structure.
The turbulence generated by the high-speed rotation of the blades further promotes the dispersion of gas in the liquid. The protein molecules become looser under shear force, making it easier for carbon dioxide to bind with them, forming a fine and lasting foam. This process also ensures even foam distribution, improving the texture and flavor of the cream.
Utilizing this principle, cream whippers can not only produce rich and delicate cream but can also be applied to the preparation of other foods requiring a foam structure, such as cakes and mousses. By controlling the blade speed and rotation time, the fineness and stability of the foam can be adjusted to meet the needs of different food preparation methods.
The bubble formation mechanism in this process is based on the interaction between protein molecules and carbon dioxide. Under shear force, protein molecules deform, releasing internal bubbles. These bubbles gradually stabilize within the protein molecules, forming a foam structure. In this way, a cream frother can efficiently transform liquid cream into a foamed cream with rich layers and texture.
It is worth noting that this property of protein molecules makes cream frothers promising for wide applications in the food industry. Besides cream products, it can be used to make various foods that require a foam structure, thereby improving the product's texture and appearance. Furthermore, this principle also applies to other protein-containing foods, such as whipped egg whites.