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​food colourings

​Source: the German ÖKO-TEST publishing house and the Győr Ecological Studio
E-102 (tatrazin)

Tatrazin: ​One of the most common additives that cause allergies. Its use has been restricted in Germany in recent years, but it has been reintroduced in various products with EU approval. It causes allergies, asthma and hives. Banned in Austria since 1984. Also banned in Switzerland.

E-104 (Quinoline yellow)

​Quinoline yellow: ​Synthetic dye shown to be harmless to rats and mice. According to a short-term study on dogs by an EU expert committee, "no clear toxic effect can be demonstrated". There are no known adverse effects on humans. It is banned for use as a food colouring in the USA. It is suspected to cause allergies. 

E-110 (orange-S)

Orange S: Probably causes allergies.

​​E-120 (carminic acid)

Carminic acid: may cause allergies.

E-122 (azorubin)

Azorubine: In animal studies to date, a wide variety of side effects have been observed at higher doses (blood, lung, lymphatic and pancreatic). It is thought to cause allergies.

E-123 (AmarantH)

Amaranth: A synthetic substance that is a relatively common allergen. In animal studies it has caused carcinogenic and mutagenic effects. Banned in the USA since 1976.

​E-124 (Neukockin, Ponszó 4R)

​Neukockin, Ponszó 4R: Probably causes allergies. Banned in the USA.

​​E-127 (Erythrosine)

Erythrosine: a synthetic substance in animal studies indicating that erythrosine inhibits the normal functioning of the nervous system. It has been suggested that it may cause increased behavioural disturbances in hyperactive children. Animal studies have strongly suggested that it may affect the thyroid hormone (as indicated in some cases by cancer-like lesions). Possible allergenicity

​​E-129 (Allura red)

Allura red: Red azo dye has been shown to cause behavioural problems (hyperactivity) in animal studies. Its relation to metabolism is unclear.

E-150c és E150d

Caramel (ammonium) and Caramel (ammonium sulphite): In animal studies, at higher doses, it induced convulsions and reduced white blood cell counts (altered blood counts, which may indicate carcinogenicity). In Austria, it is only permitted for colouring brown beer.

​E-151 (Brillant black BN)

​Brilliant black BN: Probably causes allergies. In Austria only permitted for colouring caviar.

​​E-154 (Brown FK)

​Brown FK: Animal studies have suggested liver and heart damage. Simultaneously, almost all organs were discoloured (presumably by an unknown metabolite derived from E154). Banned in the USA.

​​E-155 (Brown HTK)

Brown HTK: The actual colouring agent contains about 20 percent unidentified additional additives. Some of these are deposited in the kidneys and lymphatic vessels.

​E-160b (Annatto, bixin, norbixin)

Annatto, bixin, norbixin: ​It is thought to cause allergies.

​​E-161g (Kantaxantin)

Kantaxantin: ​It occurs naturally in crabs. Its orange food colouring variant is produced synthetically. Although E161g is banned in fish feed, it is used to 'colour' trout. It is also added to poultry feed as an additive (to adjust the 'natural' colour of egg yolks or to pigment chicken skin). The 'beauty industry' used to use it in tablets as a tanning agent, but its use had to be banned because of its eye-causing effects. According to the World Health Organisation (WHO), Cantaxanthin causes liver damage.

​E-171 (Titán-dioxid)

Titán-dioxid: ​White coloured mineral additive. It is mainly used to dye sweets and dragees white. As it has hardly been tested, its side effects are not known.

​E-174 (silver)

Silver: It is known as a colouring agent for sweets, but is also used to disinfect drinking water. Animal studies have shown thought-provoking effects on the immune system and blocking the function of several enzymes.

​​E-180 (Litolrubin BK)

Litolrubin BK: ​Red azo paint. Long-term experiments in rats and mice have shown increased mortality. It has a wide variety of side effects on the kidney, thyroid, spleen and immune system. It is currently only authorised for use as a cheese coating.
Ceres yellow GRN (no number) Ceres red G (no number): Azo dyes. Possible allergenicity