Ingredient

Koji Seed

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Source
Not animal-derived
Allergen
No
Role in food
Koji is essential for making fermented products like soy sauce, miso, and sake. In …

What it is

Koji seed, also known as Aspergillus oryzae, is a type of fungus used in East Asian cuisine. It is cultivated on grains like rice or soybeans, and its enzymes are crucial for fermenting foods.

Why it's used

Koji is essential for making fermented products like soy sauce, miso, and sake. In packaged foods, it's often used as a flavor enhancer and to aid in the fermentation process, contributing savory and umami notes.

Health notes

Koji is generally recognized as safe (GRAS) by the FDA for use in food. It is a key component in many traditional fermented foods, which are often associated with digestive health benefits. International bodies like JECFA have evaluated its components and use.

Allergen info

Koji itself is a fungus and not one of the nine major allergens. However, it is often grown on grains like soy or wheat, which are major allergens.

Products containing Koji Seed

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Renaissance Food Group, LLC Brussels Sprouts Over Jasmine Rice With Ssamjang Sauce Other Deli High in sodium — 26% DV per serving 142kcal 3.8Protein 3.1Fat 26.4Carbs Goat Goods, LLC Went To Korea Tangy & Spicy Everything Sauce, Went To Korea Oriental, Mexican & Ethnic Sauces High in sodium — 20% DV per serving 233kcal 6.7Protein 6.7Fat 40Carbs Demakes Enterprises Inc. Korean BBQ Seasoned Shaved Pork, Korean BBQ Other Meats High in sodium — 21% DV per serving 161kcal 17.9Protein 4.5Fat 11.6Carbs Underwood Ranches LP Bibimbap Spicy Korean Gochujang Sauce, Bibimbap Oriental, Mexican & Ethnic Sauces 147kcal 2.9Protein 0Fat 29.4Carbs Hans Kissle Co., Inc. Korean-Style BBQ Pork With White Rice, Korean-Style BBQ Pork Other Deli High in sodium — 34% DV per serving High in added sugars — 20% DV per serving High in cholesterol — 20% DV per serving 148kcal 8.7Protein 4.3Fat —Carbs Cook! SF Teriyaki Ramen Stir Fry Kit, Teriyaki Ramen All Noodles High in sodium — 59% DV per serving 245kcal 9.2Protein 0.5Fat 49.5Carbs H E Butt Grocery Company Korean Style Pork Asian Recipe Seasoned Pork With Rice Noodles, Korean Style BBQ Sauce, Carrots & Cilantro, Korean Style Pork Oriental, Mexican & Ethnic Sauces High in sodium — 63% DV per serving High in added sugars — 28% DV per serving 115kcal 7.7Protein 3.5Fat 12.2Carbs H E Butt Grocery Company Pork Egg Roll In A Asian Recipe Seasoned Pork And Mushrooms With Rice, Orange Chile Sauce, Cabbage, Carrots & Crispy Wonton Strips Bowl, Pork Egg Roll Other Deli High in sodium — 45% DV per serving High in added sugars — 24% DV per serving 141kcal 5.1Protein 4.2Fat 21.1Carbs Bachan's Specialty Foods, LLC Yuzu Japanese Barbecue Sauce Oriental, Mexican & Ethnic Sauces High in sodium — 23% DV per serving 211kcal 5.3Protein 0Fat 42.1Carbs Bachan's Specialty Foods, LLC Hot And Spicy Japanese Barbecue Sauce Oriental, Mexican & Ethnic Sauces High in sodium — 26% DV per serving 167kcal 5.6Protein 0Fat 38.9Carbs Bachan's Specialty Foods, LLC Japanese Barbecue Sauce Oriental, Mexican & Ethnic Sauces High in sodium — 24% DV per serving 211kcal 5.3Protein 0Fat 47.4Carbs H E Butt Grocery Company Sweet Chile Salmon In Sweet Chile Sauce Over Red Pepper Rice & Broccoli, Sweet Chile Other Cooking Sauces High in sodium — 24% DV per serving High in added sugars — 38% DV per serving 163kcal 7.0Protein 4.2Fat 23.7Carbs
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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.