Dairy ingredients such as milk proteins have structure-forming capabilities and are, therefore, suitable ingredients for 3D food printing. In the cheese-making process, during the curdling step, milk proteins coagulate and form a gel (curd) produced by the action of rennet (a substance typically found in a calf’s stomach). The consistency and coagulation speed of the milk curd can be controlled by factors such as protein content, pH, salt concentration and temperature.
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