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Tartrazine is a commonly used coloring agent all over the world, mainly for yellow, and can also be used with brilliant blue FCF (FD&C Blue 1, E133) or green S (E142) to produce various green shades. It serves as a dye for wool and silks, a colorant in food, drugs and cosmetics and an adsorption-elution indicator for chloride estimations in ...
In the United States, the Pure Food and Drug Act of 1906 reduced the permitted list of synthetic colors from 700 down to seven. [20] The seven dyes initially approved were Ponceau 3R (FD&C Red No. 1), amaranth (FD&C Red No. 2), erythrosine (FD&C Red No. 3), indigotine (FD&C Blue No. 2), light green SF (FD&C Green No. 2), naphthol yellow 1 (FD&C ...
Tartrazine – color (yellow and orange) (FDA: FD&C Yellow #5) Tea oil/Camellia oil – widely used in southern China as a cooking oil. Also used in making soaps, hair oils and a variety of other products. Tert-butylhydroquinone – antioxidant; Tetrahydrocannabinol- flavor enhancer, potent anti-carcinogen –
Except where stated, the list of INS numbers and associated food additives is based on the most recent publication of the Codex Alimentarius, [2] Class Names and the International Numbering System for Food Additives, first published in 1989, with revisions in 2008 and 2011. E number and American approval flags are derived from other sources.
Acid dyes can also be used as food colouring, helping to increase the attractiveness of certain foods, and thus becoming more appealing to customers. Some examples include erythrosine, tartrazine, sunset yellow and allura red, to name a few, many of which are azo dyes. [12] These dyes can be used in frosting, cookies, bread, condiments or drinks.
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Ponceau 4R is a strawberry red azo dye which can be used in a variety of food products, and is usually synthesized from aromatic hydrocarbons; it is stable to light, heat, and acid but fades in the presence of ascorbic acid. [1]: 460
They are commonly used in combination with azo groups to give a sub-family of azo dyes; sometimes referred to as azopyrazolones (tartrazine, orange B, mordant red 19, yellow 2G). Acid Yellow 17 , Acid Yellow 23 (tartrazine), Pigment Yellow 13 , and Pigment Red 38 are produced on the multi-ton scale annually.