What You Need to Know
Backslopping involves transferring a small percentage (typically 1-5%) of an active fermented product to a new substrate, carrying forward the microbial community. This method selects for adapted strains (e.g., Lactobacillus, Saccharomyces) that have proven competitive in the specific fermentation environment. The practice reduces lag phase and inhibits pathogens through competitive exclusion and rapid acid production.
Essential for maintaining house cultures in sourdough, yogurt, and fermented vegetables. Creates consistent flavor profiles while allowing gradual microbial evolution. Professional kitchens often maintain 'mother cultures' that develop unique characteristics over years of reuse.
Key Parameters
Temperature
20°C
15°C - 25°C
Time
48 hours
24 hours - 72 hours
Equipment
Steps
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The Science
Primary Reaction
Lactic acid fermentation