Oyster Flavour
Generic flavor designations cover a broad range of compounds. If derived from real oysters, it is a major shellfish allergen requiring declaration.
What it is
A flavoring substance (natural or artificial) designed to mimic the taste of oysters, often used in sauces and seasonings.
Used to add savory umami seafood flavor to sauces, seasonings, and processed foods.
Why it's flagged
- May contain mollusc shellfish (EU declared allergen) if derived from real oysters
What regulators actually say
"The term natural flavor or natural flavoring means the essential oil, oleoresin, essence or extractive... derived from a... seafood... whose significant function in food is flavoring rather than nutritional."
"Crustacean shellfish is a major food allergen that must be declared on food labels under FALCPA."
Regulatory status
United States — FDA
Natural and artificial flavors regulated under 21 CFR 101.22; shellfish allergens must be declared under FALCPA.
European Union — EFSA
Flavorings regulated under Regulation (EC) No 1334/2008; molluscs are listed allergens under EU 1169/2011.
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