Ingredient

King Oyster Mushroom

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Source
Not animal-derived
Allergen
No
Role in food
Manufacturers use the King Oyster mushroom as a plant-based ingredient to add a savory, …

What it is

The King Oyster mushroom (Pleurotus eryngii) is a large, edible mushroom native to the Mediterranean region, the Middle East, and parts of Asia. It is cultivated for its thick, meaty stem and mild flavor, and can be grown on various substrates like straw or sawdust.

Why it's used

Manufacturers use the King Oyster mushroom as a plant-based ingredient to add a savory, umami flavor and a chewy texture to foods. It is often used as a meat substitute in dishes like stir-fries, pasta, and tacos, and can be found in vegetable mixes and plant-based meat alternatives.

Health notes

The King Oyster mushroom is generally recognized as safe (GRAS) by the FDA when used as a food ingredient. It is a source of fiber, vitamins, and minerals. Regulatory bodies like JECFA and EFSA have evaluated mushrooms as a food category, generally finding them safe for consumption. Research suggests that compounds in mushrooms may have various health benefits, but more studies are needed to confirm these effects at typical dietary intake levels.

Allergen info

King Oyster mushrooms are not derived from any of the 9 FDA major allergens. They do not contain gluten.

Products containing King Oyster Mushroom

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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.