Significant concerns; banned in some countries or classified as possible carcinogen
4-MEI (Caramel Color Contaminant)
At a Glance
Quick Answer
4-MEI (Caramel Color Contaminant) is rated "Avoid / Concerns" according to current evidence. It is approved in the EU and approved in the US. This additive is currently approved in all four major markets (US, EU, UK, Japan).
On This Page
What is 4-MEI (Caramel Color Contaminant)?
4-Methylimidazole. Formed in Class III/IV caramel colors (ammonia process). In cola, soy sauce, beer. California Prop 65 carcinogen (>29mcg/day warning level). NTP found clear evidence of cancer in mice. Industry reduced levels significantly
Regulatory Status by Country
🇺🇸 United StatesUS
Check FDA4-Methylimidazole. Formed in Class III/IV caramel colors (ammonia process). In cola, soy sauce, beer. California Prop 65 carcinogen (>29mcg/day warning level). NTP found clear evidence of cancer in mice. Industry reduced levels significantly
🇪🇺 European UnionEU
Regulated (limits)4-Methylimidazole. Formed in Class III/IV caramel colors (ammonia process). In cola, soy sauce, beer. California Prop 65 carcinogen (>29mcg/day warning level). NTP found clear evidence of cancer in mice. Industry reduced levels significantly
🇬🇧 United KingdomUK
Same as EUFollows EU regulations
🇯🇵 Japan
Check MHLW🇨🇦 CanadaCA
Check Health CanadaVerify with Health Canada's permitted food additives list.
🇦🇺 Australia/NZAU/NZ
Check FSANZVerify with Food Standards Australia New Zealand.
🇮🇳 India
Check FSSAIVerify with Food Safety and Standards Authority of India.
🇰🇷 South KoreaKR
Check MFDSVerify with South Korea's Ministry of Food and Drug Safety.
🇧🇷 Brazil
Check ANVISAVerify with Brazil's ANVISA.
🇨🇳 China
Check GB 2760Verify with China's GB 2760 National Food Safety Standard.
Note: Canada, Australia/NZ, India, South Korea, Brazil, and China statuses are inferred from international regulatory patterns. Always verify with the relevant national authority.
Expert Analysis
4-MEI (Caramel Color Contaminant) is classified as a contaminant in the food additive regulatory framework. Significant safety concerns have been identified, and this additive is restricted or banned in multiple markets. This additive is approved across multiple major regulatory markets worldwide, suggesting broad scientific consensus on its safety profile. As with all food additives, moderation is key. Consult healthcare professionals for personalized dietary advice.
Is 4-MEI (Caramel Color Contaminant) safe?
4-MEI (Caramel Color Contaminant) has a safety rating of "Avoid / Concerns". Significant concerns; banned in some countries or classified as possible carcinogen
Is 4-MEI (Caramel Color Contaminant) vegan?
4-MEI (Caramel Color Contaminant) is generally considered vegan-friendly, though sourcing may vary.
Is 4-MEI (Caramel Color Contaminant) banned in Europe?
No, 4-MEI (Caramel Color Contaminant) is Regulated (limits) in the EU.
What is 4-MEI (Caramel Color Contaminant) made from?
4-Methylimidazole. Formed in Class III/IV caramel colors (ammonia process). In cola, soy sauce, beer. California Prop 65 carcinogen (>29mcg/day warning level). NTP found clear evidence of cancer in mice. Industry reduced levels significantly
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Frequently Asked Questions
Is 4-MEI (Caramel Color Contaminant) safe?
Is 4-MEI (Caramel Color Contaminant) banned in any country?
What is 4-MEI (Caramel Color Contaminant) used for?
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