Uses: Typical products which include carotenes are fruit juices and squashes, coffee sponge cakes, milk products, cakes, desserts, butter and margarine.
Safe providing the colour isn’t extracted using hexane
The process of extracting the acid uses hexane and acetone. The use of hexane to extract oil and other substances is controversial and in some cases people have died from hexane poisoning. In this case a worker using hexane based cleaner for iPhone touch screens
Description: Carrots, green leafy vegetables and tomatoes are very good sources of natural carotene which is chemically extracted and is comprised of a mixture of beta-, alpha- and gamma-carotene.
Natural carotene, an orange-yellow colouring, contains mainly beta-carotenes which has vitamin A as its natural degradation product. This, however, is converted into Vitamin A in the liver. Carotene colouring fades on exposure to light.
Can be commercially manufactured in the laboratory but beta-carotene, with some alpha-carotene and gamma-carotene present, is normally extracted from carrots and other yellow or orange fruits and vegetables with hexane.