Koji's royal status: In 2006, the Brewing Society of Japan officially designated the koji mold as the nation's proud 'nationa
Chapter 1

The magic mold

Chapter 2

The craft of miso

Chapter 3

The science of umami

Chapter 4

The global fermentation revolution

YOUR GOAL

Master of Koji and the umami revolution

Ch 1 · The magic mold
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My Little Koji
BETA

alicecooks Place spores to master the science of making delicious koji.

Jul 2

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alicecooks The magic mold

Koji starts with rice and beans (Yeah!) // Unlocking flavors, umami scenes! (Oh, umami scenes!)

Jul 2

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alicecooks Meet the national fungus of Japan

Jul 2

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The ancient ancestors of koji starter

alicecooks The use of mold starters originated in ancient China before spreading across East Asia.

Jul 2

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Domestication of a toxic wild cousin

alicecooks Ancient brewers successfully domesticated koji from wild Aspergillus strains, safely stripping away harmful toxins.

Jul 2

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Fun Fact

Koji's royal status: In 2006, the Brewing Society of Japan officially designated the koji mold as the nation's proud 'national fungus.'

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Jul 2

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Glossary
koji (noun)
A preparation of grain inoculated with a fermentation culture, used to make miso, soy sauce, and sake. In 2006, the Brewing Society of Japan officially declared this organism as the country's national fungus.

Jul 2

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Gossip

Would you try dessert made with mold-fermented grains?

Jul 2

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Quiz

Which enzyme produced by koji breaks down complex starches into sweet sugars?

Jul 2

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alicecooks The ancient ancestors of koji starter

Jul 2

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Quiz

Which enzyme produced by koji is responsible for breaking down proteins into savory amino acids?

Jul 2

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alicecooks How enzymes unlock hidden flavors

Jul 2

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Quiz

What is the scientific name of the koji mold?

Jul 2

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alicecooks Domestication of a toxic wild cousin

Jul 2

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Quiz

Which wild, toxic relative is genetically almost identical to the domesticated koji mold?

Jul 2

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Quiz

What is the ideal temperature range for incubating koji mold?

Jul 2

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Quiz

In Korea, what traditional fermentation starter serves a similar historical role to Japanese koji?

Jul 2

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Quiz

In what year was the koji mold officially declared the national fungus of Japan?

Jul 2

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Quiz

What ancient Chinese fermented grain cake is the historical ancestor of koji?

Jul 2