What is sake in simple terms?
A fermented alcoholic beverage made from rice
In which country is most sake produced?
Japan
Is sake distilled or fermented?
Fermented
What is the main cereal ingredient used to make sake?
Special sake rice
Is table rice normally used to make premium sake?
No
Why is special sake rice used instead of table rice?
It has higher starch content and is better suited to polishing
Where in the rice grain is most of the starch located?
In the core of the grain
What microorganism converts rice starch to sugar in sake production?
Koji-kin (Aspergillus oryzae)
What is the Japanese term for the mold used to make sake?
Koji-kin
What is the Latin name for Koji mold?
Aspergillus oryzae
What does koji do in sake production?
Converts rice starch into fermentable sugar
At what stage is koji applied in sake production?
It is sprinkled over steamed rice
What does yeast do in sake production?
Converts sugar into alcohol and CO₂
Why does yeast need koji in sake fermentation?
Yeast cannot ferment starch directly and needs sugar produced by koji
What is the typical alcohol range of sake?
Approximately 15–22% ABV
What ingredient besides rice
koji
Why is water important for sake?
It influences the final flavor and structure
Does each sake brewery typically use its own water source?
Yes
What is brewer’s alcohol in sake?
Neutral distilled alcohol added to some sake styles
Why is brewer’s alcohol added to some sake?
To extract aroma/flavor and adjust texture
Is brewer’s alcohol added to all sake?
No
What does “Junmai” indicate regarding alcohol addition?
No alcohol added
What is meant by “parallel fermentation” in sake?
Starch-to-sugar conversion and sugar-to-alcohol fermentation occur simultaneously
Which two processes run in parallel in sake fermentation?
Koji converting starch to sugar and yeast converting sugar to alcohol