Ingredient

Hydrolyzed Yeast Protein

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Source
Not animal-derived
Allergen
No
Role in food
Manufacturers use hydrolyzed yeast protein primarily as a flavor enhancer to add savory, meaty, …

What it is

Hydrolyzed yeast protein is made by breaking down yeast cells, often baker's yeast or brewer's yeast, into smaller components. This process releases proteins and amino acids, creating a savory flavor profile. It is a source of umami, the fifth basic taste.

Why it's used

Manufacturers use hydrolyzed yeast protein primarily as a flavor enhancer to add savory, meaty, or umami notes to foods. It can also contribute to a richer mouthfeel. It is commonly found in soups, sauces, snacks, and processed meats.

Health notes

In the U.S., hydrolyzed yeast protein is generally recognized as safe (GRAS) by the FDA for use as a flavoring substance. International bodies like JECFA have evaluated yeast extracts, which are similar, and established acceptable daily intakes. Evidence does not suggest adverse health effects from typical consumption levels.

Allergen info

Yeast is not one of the nine major allergens recognized by the FDA. Hydrolyzed yeast protein does not contain gluten.

Products containing Hydrolyzed Yeast Protein

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Nabisco Triscuit Crackers Roasted Garlic 1X9 Oz Mondelez Int. US (0074819091009) Nabisco Triscuit Crackers Roasted Garlic 1X9 Oz Biscuits/Cookies 429kcal 10.7Protein 14.3Fat 71.4Carbs CAMPBELL SOUP COMPANY Campbell's Condensed Soup Onion Prepared Soups High in sodium — 34% DV per serving 58kcal 1.7Protein 1.2Fat 10.8Carbs CAMPBELL SOUP COMPANY Campbell's Chunky Soup Vegetable Prepared Soups 46kcal 1.2Protein 0.2Fat 9.2Carbs Rice-A-Roni Stir Fried Rice 6.2 Ounce Paper Box Pepsico Inc. Rice-A-Roni Stir Fried Rice 6.2 Ounce Paper Box Grain Based Products / Meals High in sodium — 44% DV per serving 330kcal 9.5Protein 0.9Fat 72.2Carbs Pepsico Inc. Rice A Roni Family Size Fried Rice 12.4 Ounce Paper Box Grain Based Products / Meals High in sodium — 44% DV per serving 330kcal 9.5Protein 0.9Fat 72.2Carbs Topco Associates, Inc. Reduced Sodium Vegetable Beef Chunky Soup, Vegetable Beef Canned Soup High in sodium — 21% DV per serving 49kcal 3.7Protein 0.6Fat 7.8Carbs Campbell Soup Company Vegetable Condensed Soup, Vegetable Canned Condensed Soup High in sodium — 39% DV per serving 75kcal 2.5Protein 0.4Fat 15.8Carbs Campbell Soup Company Vegetable Soup Made With Beef Stock, Vegetable Canned Soup High in sodium — 35% DV per serving 42kcal 0.4Protein 0.2Fat 9.2Carbs Topco Associates, Inc. Vegetable Beef Condensed Soup, Vegetable Beef Canned Condensed Soup High in sodium — 37% DV per serving 64kcal 3.2Protein 1.2Fat 10.4Carbs Food Town Stores Inc. Condensed Soup, French Onion Canned Condensed Soup High in sodium — 28% DV per serving 57kcal 2.4Protein 1.2Fat 9.8Carbs MF Foods USA, LLC Beef Steak, Original Other Snacks High in sodium — 28% DV per serving 357kcal 32.1Protein 10.7Fat 32.1Carbs MF Foods USA, LLC Beef Steak, Teriyaki Other Snacks High in sodium — 28% DV per serving 321kcal 28.6Protein 10.7Fat 28.6Carbs
Salt (53 products) Sugar (43 products) Monosodium Glutamate (36 products) Yeast Extract (34 products) Water (30 products) Caramel Color (30 products) Corn (29 products) Disodium Guanylate (26 products) Disodium Inosinate (24 products) Onion Powder (22 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.