Ingredient

Tuna And Carbon Monoxide Or Tasteless Smoke

Source
Animal-derived
Allergen
No
Role in food
Manufacturers use carbon monoxide to maintain the bright red appearance of fresh fish, making …

What is Tuna And Carbon Monoxide Or Tasteless Smoke?

Carbon monoxide is a gas used to treat fresh fish, including tuna, to help preserve its red color. This process is sometimes referred to as 'tasteless smoke'. It is applied during the packaging of the fish.

Is Tuna And Carbon Monoxide Or Tasteless Smoke vegan?

No. Tuna And Carbon Monoxide Or Tasteless Smoke is animal-derived, so it is not vegan.

Is Tuna And Carbon Monoxide Or Tasteless Smoke a major allergen?

Tuna is a fish, which is one of the 9 major allergens recognized by the FDA.

What is Tuna And Carbon Monoxide Or Tasteless Smoke used for?

Manufacturers use carbon monoxide to maintain the bright red appearance of fresh fish, making it look fresher to consumers.

Is Tuna And Carbon Monoxide Or Tasteless Smoke safe?

The U.S. Food and Drug Administration (FDA) has reviewed the use of carbon monoxide in treating fish and has not raised objections.

Why it's used

Manufacturers use carbon monoxide to maintain the bright red appearance of fresh fish, making it look fresher to consumers. This is particularly common for tuna and other fish sold in retail settings.

Health notes

The U.S. Food and Drug Administration (FDA) has reviewed the use of carbon monoxide in treating fish and has not raised objections. International bodies like the Joint FAO/WHO Expert Committee on Food Additives (JECFA) have also evaluated its safety. At the levels used in food, it is not expected to pose a health risk.

Allergen info

Tuna is a fish, which is one of the 9 major allergens recognized by the FDA. Carbon monoxide itself is not an allergen.

Foods that contain Tuna And Carbon Monoxide Or Tasteless Smoke

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Auto-generated content. This description was generated automatically and is pending editorial review. Inaccuracies are possible. Found a mistake? Contact us.

Last updated: September 28, 2026

Note: This site presents label data from USDA FoodData Central for general information. It is not medical advice. Check the package label; formulations change.