Shelf life is not determined by fermentation alone. Product formulation, salt level, water activity, heat treatment, packaging material, seal quality, transport exposure, and post-opening handling all influence how long fermented black beans remain suitable for sale and consumption.
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2026-08-26
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2025-10-15Fermented black beans, also known as douchi, are a cornerstone of Asian cuisine, imparting a deep, savory, and complex umami flavor to countless dishes. A common question among home cooks and culinary enthusiasts is: how long do these flavorful beans last?