Edible coloring composition

摘要

The present invention provides a liquid coloring composition comprising of a coffee solution or coffee extract and an ink vehicle. The coloring composition is suitable for use as an ink in a non-impact printing device, including an ink jet type printer. The composition is composed of edible components. The invention further provides a process for applying a design to a food substrate, comprising of providing a non-impact printing device, wherein the ink cartridge or external container contains the coloring composition of the invention.