canthaxanthin(redirected from B,B-carotene-4,4’-dione)
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A red carotenoid pigment, C40H52O2, produced by certain microorganisms and found in some mushrooms, crustaceans, and fish. It is used in animal feed to impart color and as a dietary supplement for its antioxidant properties.
A lipid-soluble synthetic red-orange carotenoid which humans cannot convert to vitamin. It deposits in the skin, imparting a pink-orange hue, and has been marketed as a tanning agent under various names— without FDA approval—often in combination with beta-carotene.
Canthaxanthin is produced naturally by some plants and marine animals; it is approved by the FDA as a dye for soups, fruit drinks, catsup, salad dressings, tomato juice, and others, and may be added to animal feed to “enhance” the colours of chicken skin, egg yolks, rainbow trout flesh and other foods.
Canthaxanthin stimulates the immune system and enhance vitamin E’s antioxidant activity; it may reduce the incidence of spontaneous cancer in experimental animals.
Allergic reactions, canthaxanthin retinopathy (deposits in the macula), hives, itching, hepatitis and aplastic anaemia.