Copper egg white beating bowl with bronze rings. The ideal container for beating egg whites. Copper bowls produce a yellowish, creamy foam that is harder to overbeat than the foam produced using glass or stainless steel bowls. When you whisk egg whites in a copper bowl, some copper ions migrate from the bowl into the egg whites. The copper ions form a yellow complex with one of the proteins in eggs, conalbumin. The conalbumin-copper complex is more stable than the conalbumin alone, so egg whites whipped in a copper bowl are less likely to denature (unfold). Diameter: 30 cm (11.8"). Height: 15 cm (5.9"). Capacity: 7 liters (7.4 qt).
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