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Step-by-Step Tutorial
PRACTICAL WALKTHROUGH · PARAMETERS · COMMON MISTAKES
Koji fermentation converts starches and proteins into flavorful sugars and amino acids using Aspergillus oryzae and other microbes.
Origin: Japanese, Korean, Chinese (ancient to modern) — East Asia
See full technique reference →The process relies on extracellular α‑amylases that hydrolyze starch into maltose, while proteases break down soy proteins into peptides and free glutamate, imparting umami. β‑glucosidases further release isoflavone aglycones, and phytases degrade phytic acid, enhancing mineral bioaccessibility.
Temperature
°C - °C
Time
-
Primary Reaction
Starch + H2O → maltose (α‑amylase mediated)
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Gastronome opens the rest
The Gastronome plan is $7/month (or $70/year). Permanent memory, Verified answers, full library access.