What You Need to Know
Salt curing creates an osmotic environment that dehydrates cells and reduces water activity, while birch‑bark smoke introduces phenolic compounds such as eugenol and vanillin that act as antimicrobials. Freeze‑drying removes ice by sublimation, preserving texture and volatile flavor compounds. Together these processes maintain safety and sensory quality over extended storage.
The Science
Primary Reaction
Osmotic dehydration and phenolic antimicrobial activity