acidity_regulator INS 297

Fumaric Acid E297

acidulant — Primarily natural_or_synthetic.

🇪🇺 EU: Approved
🇺🇸 USA: Approved
🇯🇵 Japan: Approved
🇦🇺 AU/NZ: Approved
🇨🇦 Canada: Approved
Scientific Name

trans-Butenedioic acid

CAS: 110-17-8

Data verified: 2026-04-04

Factual Regulatory Reference

This database provides factual regulatory information compiled from official government sources. It does not constitute medical, nutritional, or safety advice. Regulatory status varies by country and is subject to change. Always refer to your local regulatory authority for the most current information.

? Did You Know?

Fumaric Acid occurs naturally in Fumitory plant (Fumaria officinalis) and Bolete mushrooms. Many people consume it daily without realizing it's also a listed food additive.

Beyond food, Fumaric Acid is also used in cosmetics, medicine, industrial applications. Its versatility makes it one of the most multi-purpose chemical compounds in everyday life.

In the EU, Fumaric Acid has a "quantum satis" authorization — Latin for "as much as needed." This means there's no specific maximum limit; manufacturers use only what's technologically necessary.

Detailed Regulatory Assessment

🇪🇺

European Union (EFSA)

approved Max: quantum satis mg/kg

None

🇺🇸

United States (FDA)

approved GRAS

Generally recognized as safe

🇯🇵

Japan (MHLW)

approved Cat: 指定添加物

Compliant with Japanese food sanitation law.

Acceptable Daily Intake (ADI)

International Standard (JECFA)

Not specified (ADI not limited)

mg/kg body weight per day

European Standard (EFSA)

Not specified

Everyday Perspective

For a 60kg adult, this limit is roughly equivalent to consuming:

Natural Occurrence

A naturally occurring organic acid with a fruit-like, tart taste. More acidic than citric or malic acid and has very low solubility in water, making it useful for dry food products.

Fumitory plant (Fumaria officinalis)Bolete mushroomsLichenSome fruits and vegetables in small amounts

Manufacturing

Method: chemical synthesis

Industrially produced by catalytic isomerization of maleic acid, which itself is produced from benzene or butane.

Applications Beyond Food

Cosmetics

pH adjuster

Medical

Used in treatment of psoriasis, component of some drug formulations

Industrial

Manufacturing unsaturated polyester resins, plasticizers, alkyd resins

Frequently Asked Questions

What is Fumaric Acid (E297)?
Fumaric Acid (E297) is a acidity_regulator used in food products. It is acidulant and natural_or_synthetic. A naturally occurring organic acid with a fruit-like, tart taste. More acidic than citric or malic acid and has very low solubility in water, making it useful for dry food products.
Where is Fumaric Acid found naturally?
Fumaric Acid is naturally found in Fumitory plant (Fumaria officinalis), Bolete mushrooms, Lichen, Some fruits and vegetables in small amounts. A naturally occurring organic acid with a fruit-like, tart taste. More acidic than citric or malic acid and has very low solubility in water, making it useful for dry food products.
What is the ADI for Fumaric Acid?
The Acceptable Daily Intake (ADI) for Fumaric Acid is Not specified (ADI not limited) as established by JECFA (Joint FAO/WHO Expert Committee on Food Additives). ADI represents the amount that can be consumed daily over a lifetime without appreciable health risk.
What foods contain Fumaric Acid?
Fumaric Acid is used in various food categories including Confectionery. It is used as a acidity_regulator in these products.
Is Fumaric Acid the same as Trans-butenedioic acid?
Yes, Fumaric Acid is also known as Trans-butenedioic acid, Boletic acid, Lichenic acid. These are different names for the same substance.