Translation guide
To extract flavor or essence by boiling, typically used for herbs, roots, or medicinal ingredients. In Japanese, this is expressed with specific verbs depending on the method and purpose.
To prepare a decoction by boiling ingredients in water to extract their properties, often for medicinal or herbal use.
The most common verb for decocting medicinal herbs or tea. Implies simmering to extract active ingredients.
Specifically making a decoction of herbs for drinking as tea or medicine.
Literally 'decoct and drink', the standard way to say you prepare and consume a herbal decoction.
この葉を煎じて飲むと風邪に効く。
If you decoct these leaves and drink it, it's good for colds.
For making regular green tea, use 淹れる (いれる) or 点てる (たてる) for matcha. 煎じる is specifically for medicinal or herbal decoctions that require simmering.
お茶を淹れる。
Make tea.
Decoct Chinese herbal medicine.
A slightly more formal or literary variant of 煎じる, also meaning to decoct.
薬草を煎ずる。
Decoct medicinal herbs.
To extract flavor or essence by boiling, often used for making stock or tea. More general than 煎じる.
出汁を煮出す。
Extract broth by boiling.
To boil down, reduce by boiling. Used when concentrating a liquid, not just extracting. Can imply decocting if the goal is a concentrated essence.
スープを煮詰めてソースにする。
Boil down the soup to make a sauce.
A decoction, the resulting liquid medicine.
煎じ薬を毎日飲んでいる。
I drink a decoction every day.