Translation guide
A yeast starter is a mixture of flour, water, and yeast (or a fermented grain mixture) used to initiate fermentation in baking or brewing. In Japanese, the term depends on the context: baking (bread) vs. brewing (sake, beer).
A fermented mixture of flour and water containing wild yeast and bacteria, used to leaven bread.
Literally 'natural yeast'. Commonly used for sourdough starters or wild yeast cultures in home baking. Often used in phrases like 天然酵母パン (natural yeast bread).
天然酵母でパンを焼く。
I bake bread with a natural yeast starter.
Loanword from English 'sourdough starter'. Widely understood among baking enthusiasts.
サワードウスターターを作るには小麦粉と水が必要です。
To make a sourdough starter, you need flour and water.
Technical term for 'yeast starter' or 'yeast culture' used in professional baking. Less common in everyday language.
パン屋では酵母種を毎日継ぎ足している。
At the bakery, they refresh the yeast starter every day.
A mixture of rice, water, koji mold, and yeast used to start the fermentation process in sake production.
The traditional term for the yeast starter in sake brewing. Also called 酛 (もと). Essential for building a healthy yeast population.
酒母造りは日本酒の品質を左右する重要な工程です。
Making the yeast starter is a crucial step that determines the quality of sake.
Alternate reading for 酒母, often used in traditional sake brewing contexts. Pronounced もと.
生酛造りは伝統的な酒母の製法です。
Kimoto-zukuri is a traditional method of making the yeast starter.
Loanword used in modern or homebrewing contexts. Not traditional but understandable.
酵母スターターを仕込む。
Prepare the yeast starter.
A small volume of wort inoculated with yeast to increase cell count before pitching into the main batch.
Commonly used in homebrewing circles. Same as above but context makes it clear.
ビール醸造では酵母スターターを作って酵母の活性を高めます。
In beer brewing, we make a yeast starter to increase yeast activity.
Literally 'seed yeast', a technical term sometimes used in professional brewing.
種酵母を培養する。
Cultivate the seed yeast.
The Japanese term for 'yeast starter' varies significantly depending on whether you are talking about bread, sake, or beer. Using the wrong term can cause confusion. For bread, 天然酵母 or サワードウスターター is safe; for sake, use 酒母 or 酛; for beer, 酵母スターター is common.