formulation - a substance prepared according to a formula; the physician prescribed a commercial preparation of the medicine. preparation. cleaner, cleanser, cleansing agent - a preparation used in cleaning something.
A food additive is any chemical substance that is added to food during preparation or storage and either becomes a part of the food or affects its characteristics for the purpose of achieving a particular technical effect.
Food coloring spreading on a thin water film in the International Space Station. Food coloring, or color additive, is any dye, pigment or substance that imparts color when it is added to food or drink. They come in many forms consisting of liquids, powders, gels, and pastes. Food coloring is used both in commercial food production and in domestic cooking.