Sourdough Bread on the other hand is the complete opposite. It uses a naturally occurring yeast as it’s raising agent which takes many hours to ferment and turn into bread.
The dough in both soda and sourdough bread contain lactic acid. Sourdough uses its naturally occurring yeast which has lactic acid in it, while soda bread uses buttermilk.
Which Bread is Better for You? Soda or Sourdough?The main fundamental difference between the two breads is the fermentation process that comes with making sourdough bread.