Ingredient

Organic Rye Sour

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Source
Not animal-derived
Allergen
No
Role in food
Manufacturers use organic rye sour primarily as a leavening agent to help baked goods …

What it is

Organic rye sour is a leavening agent made from organic rye flour and water. It is fermented by wild yeasts and bacteria, which gives it a tangy flavor and helps bread rise. This starter is often used in baking, especially for rye breads and sourdough products.

Why it's used

Manufacturers use organic rye sour primarily as a leavening agent to help baked goods rise and develop a characteristic tangy flavor. It is commonly found in various types of bread, including rye bread, sourdough loaves, and some flatbreads.

Health notes

Organic rye sour is generally recognized as safe (GRAS) by the FDA when used as a food ingredient. It is a natural product of fermentation and does not have specific regulatory limits set by bodies like JECFA or EFSA. Consuming foods made with rye sour is typical for many diets and is not associated with adverse health effects at normal intake levels.

Allergen info

Organic rye sour is derived from rye, which contains gluten. Therefore, it is not suitable for individuals with celiac disease or gluten sensitivity.

Products containing Organic Rye Sour

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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.