Instead of traditional liquid eggs, more and more dried whole egg products are being used in the manufacture of fine bakery goods, since dried semi-finished products have some advantages regarding storage, handling and microbiological safety. However, the spray drying process leads to changes in sensitive egg components, eg proteins, and affects the functional properties of whole egg after reconstitution. Knowledge of the influence of drying conditions on the resulting functionality is necessary to enable the production of dried egg with tailor-made properties for applications in different food products. Some of these relationships were determined using a pilot spray dryer for drying experiments and an appropriate statistical evaluation of the results. It could be demonstrated that higher temperatures during spray drying lead to a considerable decrease in the foaming properties of whole egg powder but increase the capability of emulsion stabilisation. Additionally, a simplified example demonstrates the use of these relationships for the selection of optimal drying conditions of whole egg with respect to its application in a cake with higher fat content.

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