Yellow 5 (Tartrazine)

Yellow 5, also known as tartrazine, is a food additive used to give foods and beverages a yellow color, and its safety has been closely examined due to concerns about potential health effects.

Studies have found that while tartrazine can cause sensitivities in some individuals, it does not appear to be carcinogenic. Research indicates that tartrazine may trigger reactions in people with allergies or asthma, but large-scale studies on rats and mice did not find evidence of cancer causation. Additionally, the breakdown of tartrazine under sunlight exposure has been studied, showing that reactive oxygen species can degrade this additive when exposed to certain nanoparticles.

Tartrazine is commonly found in various food products such as beverages, baked goods, and condiments, making its presence widespread in many diets. Its use is regulated by health authorities around the world due to concerns over potential adverse reactions.

While there is a body of research on tartrazine, more studies are needed to fully understand its long-term effects on human health.

Sources

• Azo dyes in the food industry: Features, classification, toxicity, alternatives, and regulation. (PMID:37429408)
• Tartrazine sensitivity. (PMID:2239641)
• Tartrazine. (PMID:3169655)
• Lack of carcinogenicity of tartrazine (FD & C Yellow No. 5) in the F344 rat. (PMID:3692395)
• FD&C Yellow No. 5 (tartrazine) degradation via reactive oxygen species triggered by TiO2 and Au/TiO2 nanoparticles exposed to simulated sunlight. (PMID:25393426)
• A chronic toxicity/carcinogenicity study of FD & C Yellow No. 5 (tartrazine) in mice. (PMID:3366419)

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