How long does sourdough bread last? Tips for storing at room temperature or in the freezer—plus how to handle moldy bread.

Turkey, tomato, and swiss on a bed of romaine lettuce sandwiched between two slices of sourdough. Classic. Oh no, what's this? Mold? But look, good new. The mold's only on part of the bread.

As the mold digests the proteins and starch within ... It’s even behind kombucha and sourdough bread. But it turns out this chemical process, in which bacteria, molds, or yeasts break down ...

sourdough bread is longer lasting as compared to commercially baked bread. This acid works naturally as a preservative which discourages mold and other forms of bad bacteria from reproducing ...