Linked from
The 8 pages that link to Cochineal, each with the reason it gives.
Food coloringBroader topic: It provides a vivid red hue in foods and beverages.
OpuntiaRelated: Some Opuntia species host cochineal insects raised for their carmine pigment.
ScarletRelated: Imported cochineal helped produce brilliant scarlet shades in European textiles.
AzorubineCompared with: It provides a natural-source red alternative to synthetic azorubine.