a substance that can be used or prepared for use as food

add color to

a synthetic lemon yellow azo dye primarily used as a food coloring.

a natural xanthophyll pigment with an orange color found in a variety of plants including pansies.

an organoiodine compound, specifically a derivative of fluorone.

a red glucosidal hydroxyanthrapurin that occurs naturally in some scale insects, such as the cochineal, Armenian cochineal, and Polish cochineal.

a dark red to purple azo dye used as a food dye and to color cosmetics.