| 摘要 |
The crust of a baked or part-baked product, such as bread, is marked with trade mark, logo or other informational or design material by the application to the crust prior to baking of an edible substance which induces differential crust colouration on baking. The edible substance is sprayed or painted on the surface of the crust and comprises an aqueous or alcohol solution or suspension of one or more of sugar, carbohydrate, protein or milk powder. Application of the edible substance to the crust by spraying from an ink jet printer allows marking of good definition to be achieved, even with relatively small symbols. By appropriate selection of the edible substance, the markings may be either lighter or darker in colour after baking than the unmarked portion of the crust. |
