While there is real gold in Goldschlager (about a tenth of a gram per 750 ml bottle), flakes of that particular precious metal don't have sharp edges, hence there is no danger of being cut by them.

But ultra-thin gold flakes can also generate and emit their own light in a process called photoluminescence. This begins when the gold is illuminated: some of the photons in the… Advertisement ...

A new, wood-fired pie offered by a Manhattan restaurant—with 24k-gold flakes, foie gras, truffles, and caviar—might be the most decadent version ever created.