Natural Caramel Flavouring Substances

About

What it is and where it shows up.

Natural caramel flavouring substances are complex mixtures of volatile and non-volatile compounds produced by the controlled heat treatment (caramelization) of carbohydrates such as sucrose, glucose, or fructose in the absence of nitrogen-containing reactants. They are used to impart characteristic burnt-sugar, toffee, and roasted notes to foods and beverages including confectionery, baked goods, dairy products, and soft drinks.

Safety summary

The regulatory and scientific consensus.

Multiple regulatory bodies including EFSA and JECFA have concluded that caramel colours and flavourings are neither genotoxic nor carcinogenic and show no adverse effects on human reproduction at typical dietary exposure levels. A group ADI of 300 mg/kg body weight/day has been established by EFSA for caramel colours (E150a–d), with no specific numerical ADI considered necessary for plain caramel (Class I / E150a) by JECFA. Certain manufacturing by-products such as 5-hydroxymethyl-2-furfural (5-HMF) and furan are of toxicological concern at high doses, and regulators recommend keeping their levels as low as technologically feasible; 4-methylimidazole (4-MEI) is relevant only to ammonia-processed caramel (Class III/IV) and is not formed in plain caramel flavouring.

Regulatory landscape

What food-safety regulators have decided.

Jurisdiction	Status	Note
FSANZ (Food Standards Australia New Zealand) (Australia)	Approved	Permitted as a food additive and flavouring under the Australia New Zealand Food Standards Code. Plain caramel (Class I) is permitted in a wide range of food categories at GMP levels. No specific numerical ADI; safety conclusions aligned with JECFA/EFSA findings.source
EFSA (European Food Safety Authority) (European Union)	Approved	Group ADI of 300 mg/kg bw/day covers all four caramel colour classes (E150a–d) under Regulation (EC) No 1333/2008. Plain caramel (E150a) used purely as a flavouring is additionally governed by Regulation (EC) No 1334/2008 on food flavourings. EFSA noted that by-product levels (5-HMF, furan) in specifications should be minimised.source
FSSAI (Food Safety and Standards Authority of India) (India)	Approved	Caramel colour and caramel flavouring are permitted under the Food Safety and Standards (Food Products Standards and Food Additives) Regulations, 2011, subject to GMP limits. No specific numerical ADI is published by FSSAI; JECFA evaluations are referenced.source
FDA (Food and Drug Administration) (United States)	Approved	Caramel is listed on the FDA's original GRAS inventory (21 CFR 182.1235) and is also recognised as a colour additive exempt from batch certification under 21 CFR Part 73. When used solely as a flavouring, it is regulated as a GRAS flavouring substance. No numerical ADI has been established. Class I (plain) caramel does not contain 4-MEI.

Who should approach with care

Whose guidance would steer them away.

Infants — EFSA noted that dietary exposure in children may approach or exceed ADIs for certain caramel classes, and flavouring regulations specifically call for consideration of infant-population exposure; caramel-containing processed foods are generally not recommended for very young infants.

Children — EFSA's 2011 re-evaluation found that anticipated dietary exposure of child populations may exceed the ADIs for caramel Classes I, III, and IV, warranting care to limit high-caramel-content beverages and confectionery in children's diets.

Ibs — Caramelized sugar products contain a mix of oligosaccharide condensation products that may act as fermentable carbohydrates, potentially exacerbating symptoms in individuals with irritable bowel syndrome.

Diabetes — Natural caramel flavouring is derived from heated sugars; products flavoured with caramel typically carry a substantial sugar load that can affect glycaemic control in individuals with diabetes.

Sulfite Sensitivity — Certain caramel preparations (Class II, caustic sulphite caramel) contain residual sulphur dioxide; individuals with sulphite sensitivity or asthma should verify the class of caramel used, though plain natural caramel (Class I) does not involve sulphite reagents.

Research citations

The sources behind this verdict.

1FDA. Color Additives in Foods — FDA. fda.gov
2FDA. Questions & Answers About 4-MEI, 2020. fda.gov
3PubMed. Caramel Color in Soft Drinks and Exposure to 4-Methylimidazole: A Quantitative Risk Assessment, 2015. pmc.ncbi.nlm.nih.gov
4PubMed. Food caramels: a review, 2014. pmc.ncbi.nlm.nih.gov
5EFSA. Scientific Opinion on the re-evaluation of caramel colours (E 150 a, b, c, d) as food additives, 2011. efsa.europa.eu

Independently researched5 citations