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Cochineal (E 120) - Natural Dye: Uses & Allergy

Cochineal is a natural red dye derived from dried scale insects. It is widely used as a colorant in foods, cosmetics, and pharmaceuticals under the code E 120.

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Things worth knowing about "Cochineal"

Cochineal is a natural red dye derived from dried scale insects. It is widely used as a colorant in foods, cosmetics, and pharmaceuticals under the code E 120.

What is Cochineal?

Cochineal refers both to a scale insect species (Dactylopius coccus) and to the natural red colorant derived from it. This dye has been used for centuries and is listed in the food industry under the additive code E 120. The active coloring compound is carminic acid, which is found in the bodies of female cochineal insects. When processed further, it produces carmine, a vivid crimson pigment.

Origin and Production

The cochineal scale insect lives on Opuntia cactus plants, originally native to Central and South America. Today, cochineal is commercially farmed primarily in Peru, the Canary Islands, and other warm regions. To produce the dye, female insects are harvested, dried, and then either ground into a powder or extracted using water or alcohol. Approximately 70,000 to 100,000 insects are needed to produce around 1 kg of dye.

Use in Food Products

As the food additive E 120, cochineal is used in a wide variety of products, including:

Fruit juices and soft drinks
Yogurts, desserts, and confectionery
Processed meat and sausage products
Seafood products
Alcoholic beverages such as Campari

The dye imparts a strong red to pinkish-red color and is highly stable against light and heat, making it a preferred choice over synthetic alternatives in some markets.

Use in Cosmetics and Pharmaceuticals

Beyond food, cochineal is also used in:

Cosmetics such as lipsticks, eyeshadows, and blushes
Pharmaceuticals: as a colorant in tablets and capsules
Textile dyeing (historically significant use)

Safety and Allergy Risk

Cochineal and carmine are considered safe by regulatory authorities including the European Food Safety Authority (EFSA) and the U.S. Food and Drug Administration (FDA) when used within approved limits. However, some sensitive individuals may experience allergic reactions, including:

Skin rashes and hives (urticaria)
Asthma attacks
In rare cases, anaphylaxis (a severe, life-threatening allergic reaction)

People with known insect allergies or asthma should exercise caution when consuming products containing E 120. In the European Union, labeling of cochineal on product packaging is mandatory, allowing consumers to identify its presence.

Vegan and Religious Considerations

Since cochineal is derived from insects, it is neither vegan nor vegetarian. It may also be of concern to individuals following halal or kosher dietary laws, as its classification varies depending on religious interpretation and certifying authority.

References

European Food Safety Authority (EFSA): Scientific Opinion on the re-evaluation of cochineal, carminic acid, carmines (E 120) as a food additive. EFSA Journal, 2015.
U.S. Food and Drug Administration (FDA): Color Additives - Cochineal Extract and Carmine. FDA.gov, 2023.
Downham, A. & Collins, P.: Colouring our foods in the last and next millennium. International Journal of Food Science & Technology, 2000; 35(1):5-22.

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