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Step-by-Step Tutorial
PRACTICAL WALKTHROUGH · PARAMETERS · COMMON MISTAKES
Miso paste is a salt‑controlled fermentation of soybeans with Aspergillus oryzae (koji).
Origin: Japanese (7th century) — Japan
See full technique reference →During fermentation, Aspergillus oryzae produces proteases that hydrolyze soybean proteins into peptides and free amino acids, notably glutamic acid, which imparts umami. Lipases release fatty acids, while carbohydrate‑fermenting bacteria generate lactic acid and ethanol, all contributing to the complex flavor profile of miso.
Primary Reaction
Microbial fermentation (proteolysis, lipolysis, carbohydrate fermentation)
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Key Variables