Sourdough starter
What the research shows
Not enough
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A mix of natural yeast and bacteria used to make bread rise.
It makes the bread rise, gives it a sour taste, and helps it keep longer.1
Products
The 6 most-scanned of 296 products on Open Food Facts that list sourdough starter.
- Seeded multigrain bloomer 0 additives
- Stone Baked Margherita Pizza Tesco · 252 g 0 additives
- 4 white rolls M&S 0 additives
- white bloomer with sourdough Lidl · 800 g 4 additives
- Sourdough Bread sliced Trader Joe's · 24 oz 0 additives
- Mini Panettone with chocolate chips Favorina · 100 g 2 additives
References
- 1Sourdough. Wikipedia. Accessed October 24, 2026. CC BY-SA 4.0.