Ingredient

Salt Rennet

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Source

Animal-derived

Allergen

Role in food

Salt rennet is primarily used as a coagulant in the production of cheese, helping …

What it is

Salt rennet is an enzyme mixture, often derived from animal stomachs, used to coagulate milk in cheesemaking. It contains chymosin, which causes milk proteins to clump together, forming curds. It is typically produced by isolating rennet from the fourth stomach of young, milk-fed calves.

Why it's used

Salt rennet is primarily used as a coagulant in the production of cheese, helping to form the curds that are essential for cheesemaking. It is found in a wide variety of cheeses, including cheddar, mozzarella, and Swiss, as well as in processed cheese products and some sauces.

Health notes

Salt rennet is generally recognized as safe (GRAS) by the FDA for its intended use in food. It is a naturally occurring enzyme and is broken down during digestion. International bodies like JECFA have evaluated enzymes used in food production. There are no widespread health controversies associated with its typical consumption.

Allergen info

Salt rennet is derived from animal sources and is not one of the nine major allergens. It does not contain gluten.

Products containing Salt Rennet

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WHOLE FOODS MARKET Camembert Aux Cepes Cheese High in saturated fat — 25% DV per serving 321kcal 17.9Protein 28.6Fat 0Carbs Divine Pasta Company Mac & Cheese Frozen Dinners & Entrees High in sodium — 24% DV per serving High in saturated fat — 40% DV per serving 172kcal 7.6Protein 7.1Fat 18.7Carbs KLK FORTE INDUSTRY INC. Pumpkin Snap Fresh Chevre Cheese 286kcal 14.3Protein 17.9Fat 10.7Carbs Taylor Fresh Foods, Inc. Honey Turkey Breast & Smoked Gouda Wrap, Honey Turkey Prepared Wraps and Burittos High in sodium — 58% DV per serving High in saturated fat — 35% DV per serving High in cholesterol — 20% DV per serving 202kcal 11.2Protein 9.6Fat 17.0Carbs

Palermo Villa Inc. Italian Inspired Special Secret Recipe Tomato Sauce, Whole Milk Mozzarella Cheese, Pepperoni, Diced Tomatoes, Onion, Green Bell Peppers, Parmesan & Romano Cheese, Seasoning, Leinenkugel's Original Beer Flavored Crust Pizza, Italian Inspired Special Pizza High in sodium — 37% DV per serving High in saturated fat — 30% DV per serving 233kcal 10.8Protein 10.1Fat 24.0Carbs J and F Manufacturing Corp. Fresco Four Cheese Pasta Sauce Prepared Pasta & Pizza Sauces 64kcal 3.2Protein 1.6Fat 10.4Carbs Giant Eagle, Inc. Gnocchi, Four Cheese Pasta by Shape & Type High in sodium — 28% DV per serving 185kcal 5.4Protein 3.1Fat 32.3Carbs Tony's Finer Foods Tomato&Cheese Premium Pasta Sauce, Tomato&Cheese Prepared Pasta & Pizza Sauces High in sodium — 21% DV per serving High in saturated fat — 20% DV per serving 125kcal 2.5Protein 10Fat 5.8Carbs Harris-Teeter Inc. Four Cheese Topped With Mozzarella, Hard Cheese, Asiago Pdo And Pecorino Romano Pdo Stone Hearth Wood Fired Sourdough Pizza, Four Cheese Pizza High in sodium — 41% DV per serving High in saturated fat — 60% DV per serving 274kcal 10.7Protein 13.1Fat 28.6Carbs The Meatballers Corp Italian Style Meatballs In Marinara Sauce Cooked & Prepared 141kcal 8.2Protein 9.4Fat 5.9Carbs Intermark Foods, Inc Sweet Corn Patties With Mozzarella Cheese Prepared Subs & Sandwiches High in sodium — 30% DV per serving High in saturated fat — 25% DV per serving 212kcal 5.0Protein 0.0Fat 36.8Carbs Rouse's Enterprises, Inc. Peppers & Ricotta Bruschetta, Peppers & Ricotta Pickles, Olives, Peppers & Relishes 321kcal 3.6Protein 30.4Fat 8.9Carbs

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.