How Japanese Sake Is Made– Explore traditional brewing methods, ingredients, fermentation, and sake craftsmanship. –

Karashi (枯らし) is a conditioning period in sake brewing, and it happens three separate times. Rice rests after polishing, koji rests after leaving the koji room, and the finished starter rests before it enters the main mash. Japanese b...

Ask a brewer what makes sake possible and the answer rarely starts with rice. It starts with koji. Yet koji is not added freely, and the amount is measured to the kilogram. That measurement has a name: koji buai. Koji buai (麹歩合) is th...

Jukusei (熟成) is the maturation of sake after brewing has finished. During this stage, time, temperature, and storage conditions gradually reshape its aroma, flavor, color, and texture. Most sake goes through some maturation before rele...

Two breweries can start with the same rice variety, the same well, and the same yeast. Yet the sake in the glass tastes nothing alike. The reason usually hides in a document that drinkers never see. Brewers call it the shikomi haigo. So ...

Kumimizu buai (汲水歩合) is sake's water-to-rice ratio. Brewers calculate it by dividing the brewing water in liters by the total rice in kilograms, then multiplying by 100. Most breweries work somewhere between 125 and 135 percent. That...

Oribiki (滓引き) is the sake racking step that separates clear sake from settled sediment after pressing. Brewers rest the freshly pressed sake until solids sink, then draw the clear liquid gently into another tank. It happens after pres...

Pour a glass of good sake and hold it up to the light. That transparency looks effortless, yet it takes weeks of quiet work. So what is Orisage? Orisage (滓下げ) is the clarification step brewers carry out before bottling. It settles the...

Kan-zukuri is the traditional practice of brewing sake during the coldest months of the year. The cold does real work here. Low temperatures slow fermentation, keep it stable, and hold unwanted microbes in check. For centuries, this made...

Every bottle of sake leaves something behind. After the fermented mash is pressed, a soft, pale, fragrant solid remains in the press. The Japanese call it sake kasu, and many people wrongly dismiss it as waste. In reality, it is not wast...

Ask someone how sake reaches its final strength, and most people picture the fermentation tank. Yet one of the last and most quietly important steps happens after brewing is basically done. It is called Warimizu, and it is the practice o...

Sake begins with a quiet transformation inside a grain of rice. That transformation has a name: koji. So what is koji in sake brewing? Koji is steamed rice grown with a special mold, Aspergillus oryzae. The mold spreads through each grai...

Sake owes its very existence to a tiny living thing. That thing is yeast, a microbe you cannot see. So what is yeast in sake brewing? Yeast is the microorganism that turns sugar into alcohol. During fermentation, it also releases carbon ...

Open any bottle of premium sake, and you will see a number on the label. It often reads something like 60 percent or 50 percent. That figure points to rice polishing, one of sake's defining steps. So what is rice polishing in sake brewin...

Every bottle of sake hides a quiet miracle inside. That miracle is fermentation. So what is fermentation in sake brewing? Fermentation is the process where yeast turns sugar into alcohol. It also gives off carbon dioxide and rich aroma. ...

Great sake begins before the main fermentation ever starts. Hidden inside the brewery is a small but powerful starter called moto, also known as shubo, the "mother of sake." So what is moto in sake brewing? In essence, moto is a concentr...

Sake truly takes shape in one bubbling tank. That tank holds the moromi. So what is moromi in sake brewing? Moromi, written 醪 in Japanese, is the main fermentation mash of sake. It is the thick mixture of steamed rice, koji, water, and ...