E 631 (Disodium Inosinate): Uses, Sources, Health Concerns, And Regulations

Time for reading: ~0 minutes Last Updated: December 05, 2025


Learn about E 631 (Disodium inosinate), a food additive used as a flavor enhancer in processed foods. Discover its sources, functions, health concerns, and labeling regulations.

What is E 631?

E 631 is the food additive code for Disodium inosinate, a flavor enhancer commonly used in processed foods.

Sources of E 631

Disodium inosinate is often derived from fish, specifically from the bonito fish. It can also be produced from other animal sources or through microbial fermentation.

Function of E 631

E 631 is used to enhance the savory or umami taste in foods. It works synergistically with monosodium glutamate (MSG) to intensify flavors.

Health Concerns

While E 631 is generally recognized as safe by regulatory bodies, some people may have sensitivities to it. Individuals with gout or asthma are advised to avoid foods containing this additive.

Labeling and Regulations

In many countries, including the United States and European Union, food manufacturers are required to list E 631 on the ingredient label. This allows consumers to make informed choices about their food consumption.

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