Ingredient

Rye Sourdough

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Source

Not animal-derived

Allergen

No

Role in food

Rye sourdough is primarily used as a bread product, offering a distinct flavor profile …

What it is

Rye sourdough is a type of bread made using a starter culture of wild yeasts and lactic acid bacteria, which ferment the rye flour and water. This natural leavening process gives sourdough its characteristic tangy flavor and chewy texture. It is a traditional method of bread making that predates commercial yeast.

Why it's used

Rye sourdough is primarily used as a bread product, offering a distinct flavor profile and improved keeping qualities compared to conventionally yeasted breads. It is found in various baked goods, including loaves, rolls, and crispbreads, often chosen for its complex taste and texture.

Health notes

Rye sourdough is generally recognized as safe (GRAS) by the FDA for use in food. The fermentation process can break down some compounds in rye, potentially making its nutrients more available. Regulatory bodies like EFSA have evaluated sourdough and its components. Evidence on the health effects of sourdough consumption at typical intake levels is generally positive, with some studies suggesting benefits related to gut health due to the fermentation byproducts.

Allergen info

Rye is a grain, and while not one of the nine FDA major allergens, it contains gluten. Individuals with celiac disease or non-celiac gluten sensitivity should avoid rye sourdough.

Products containing Rye Sourdough

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SONKO Crisp Bread Wholemeal Breads & Buns 377kcal 18.9Protein 0Fat 75.5Carbs Blazing Bagels and Bakery, Inc. Multigrain Bagels, Multigrain Breads & Buns 266kcal 10.2Protein 1.9Fat 52.3Carbs The Kroger Co. Club Half Sub Prepared Subs & Sandwiches High in sodium — 71% DV per serving High in saturated fat — 40% DV per serving High in cholesterol — 28% DV per serving 217kcal 15.8Protein 7.5Fat 20.4Carbs The Kroger Co. Roasted Turkey & Colby Jack Half Sub Prepared Subs & Sandwiches High in sodium — 76% DV per serving High in saturated fat — 25% DV per serving High in cholesterol — 26% DV per serving 180kcal 14.5Protein 4.7Fat 19.6Carbs Portland French Ltd. Multi-Grain Bread Breads & Buns 294kcal 11.8Protein 5.9Fat 47.1Carbs Taylor Fresh Foods, Inc. Turkey Club Half Sub Prepared Subs & Sandwiches High in sodium — 68% DV per serving High in saturated fat — 40% DV per serving High in cholesterol — 30% DV per serving 212kcal 16.2Protein 6.6Fat 21.2Carbs Buus Inc. Roasted Turkey & Colby Jack Half Sub Prepared Subs & Sandwiches High in sodium — 77% DV per serving High in saturated fat — 25% DV per serving High in cholesterol — 30% DV per serving 188kcal 16.9Protein 4.7Fat 18.4Carbs Ukrop's Homestyle Foods, LLC Roasted Turkey & Colby Jack Half Sub Prepared Subs & Sandwiches High in sodium — 77% DV per serving High in saturated fat — 25% DV per serving High in cholesterol — 30% DV per serving 188kcal 16.9Protein 4.7Fat 18.8Carbs Taylor Fresh Foods, Inc. Oven Roasted Turkey Half Sub Prepared Subs & Sandwiches High in sodium — 77% DV per serving High in saturated fat — 25% DV per serving High in cholesterol — 30% DV per serving 188kcal 16.9Protein 4.7Fat 18.8Carbs Renaissance Food Group, LLC Everroast Chicken Club Premium Meats & Cheeses Prepared Subs & Sandwiches High in sodium — 73% DV per serving High in saturated fat — 45% DV per serving High in cholesterol — 27% DV per serving 212kcal 14.9Protein 7.0Fat 20.8Carbs Taylor Fresh Foods, Inc. Roasted Turkey & Colby Jack Half Sub Prepared Subs & Sandwiches High in sodium — 77% DV per serving High in saturated fat — 25% DV per serving High in cholesterol — 30% DV per serving 188kcal 16.9Protein 4.7Fat 18.8Carbs Craftmark Bakery, LLC French Toast Toaster Flatbreads, French Toast Breads & Buns High in sodium — 21% DV per serving High in added sugars — 26% DV per serving 326kcal 8.7Protein 6.5Fat 56.5Carbs

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.