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Step-by-Step Tutorial
PRACTICAL WALKTHROUGH · PARAMETERS · COMMON MISTAKES
A low‑temperature, high‑salt brine converts seaweed polysaccharides into a safe, umami‑rich condiment through lactic acid fermentation.
Origin: Japanese coastal communities (Edo period (1603–1868)) — Noto Peninsula and Seto Inland Sea
See full technique reference →Endogenous enzymes hydrolyze alginate and carrageenan into oligosaccharides, which lactic acid bacteria ferment to produce lactic acid, lowering pH to 4.5–5.0. The acidic environment inhibits spoilage microbes while the released fucoidan and polyphenols enhance nutritional value. Controlled NaCl (5–10 %) and temperature (4–10 °C) balance microbial activity and flavor development.
Primary Reaction
Lactic acid fermentation of seaweed polysaccharides
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