Ingredient

Koji Aspergillus Oryzae

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Source
Not animal-derived
Allergen
No
Role in food
Koji is essential for fermenting foods like soy sauce, miso, and sake. It acts …

What it is

Koji is a type of fungus, specifically *Aspergillus oryzae*, that is widely used in East Asian food production. It is cultivated on grains like rice or soybeans, where it produces enzymes that break down starches and proteins.

Why it's used

Koji is essential for fermenting foods like soy sauce, miso, and sake. It acts as a natural enzyme source, contributing to umami flavor, tenderizing meats, and aiding in the breakdown of complex carbohydrates and proteins in foods.

Health notes

In the U.S., *Aspergillus oryzae* is generally recognized as safe (GRAS) by the FDA for use in food. It is a key component in fermented foods that are part of traditional diets worldwide. International bodies like JECFA have evaluated *Aspergillus oryzae* and its enzymes, and EFSA has also assessed its safety for use in food production.

Allergen info

Koji itself is a fungus and not one of the 9 FDA major allergens. However, it is often grown on soy or wheat, which are major allergens, and residual amounts may be present in the final product.

Products containing Koji Aspergillus Oryzae

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Eden Foods, Inc. Shiro Miso Aged & Fermented Rice & Soybeans Flavored Rice Dishes 176kcal 5.9Protein 2.9Fat 35.3Carbs Eden Foods, Inc. Eden, Organic Tamari Soy Sauce Oriental, Mexican & Ethnic Sauces High in sodium — 37% DV per serving 100kcal 13.3Protein 0Fat 13.3Carbs Whole Foods Market, Inc. Whole Catch, Salmon Jerky, Miso Ginger Other Snacks High in sodium — 21% DV per serving 286kcal 42.9Protein 5.4Fat 17.9Carbs Eden Foods, Inc. Organic Tamari Soy Sauce Oriental, Mexican & Ethnic Sauces High in sodium — 39% DV per serving 133kcal 13.3Protein 0Fat 20Carbs Teriyaki Veggie Burger, Teriyaki Sweet Earth Natural Foods Teriyaki Veggie Burger, Teriyaki Frozen Patties and Burgers 200kcal 12.9Protein 5.9Fat 23.5Carbs Genji, Inc. Louisiana Roll Qbr, Louisiana Sushi High in sodium — 48% DV per serving 142kcal 3.9Protein 6.3Fat 18.2Carbs Sweet Earth Natural Foods Teriyaki Veggie Burger, Teriyaki Other Meats 195kcal 12.4Protein 6.2Fat 23.9Carbs Genji, Inc. Florida Roll Qbr, Florida Sushi High in sodium — 48% DV per serving 142kcal 3.9Protein 6.3Fat 18.2Carbs Shrimp Ramen Bowl With Ramen Noodles, Carrots, Bok Choy, Green Onions, & An Authentic Japanese-Style Broth, Shrimp Ramen Aqua Star, Inc. Shrimp Ramen Bowl With Ramen Noodles, Carrots, Bok Choy, Green Onions, & An Authentic Japanese-Style Broth, Shrimp Ramen Frozen Dinners & Entrees High in sodium — 39% DV per serving High in cholesterol — 23% DV per serving 115kcal 7.0Protein 1.8Fat 18.5Carbs General Tso's Tofu Sweet Earth Natural Foods General Tso's Tofu Frozen Dinners & Entrees High in sodium — 30% DV per serving 129kcal 3.9Protein 4.3Fat 17.6Carbs
Water (10 products) Sea Salt (9 products) Salt (7 products) Rice (7 products) Rice Vinegar (5 products) Soybeans (5 products) Alcohol (4 products) Wheat (4 products) Ginger (4 products) Garlic (3 products)

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.