(こうじきん)

こうじきん
noun
koji mold; Aspergillus oryzae
1. koji mold; Aspergillus oryzae
A filamentous fungus used in the production of traditional Japanese fermented foods and beverages. It is cultivated on rice, barley, or soybeans to produce koji, which is essential for making sake, miso, soy sauce, and other fermented products.
麹菌(こうじきん)日本(にほん)発酵食品(はっこうしょくひん)()かせない。
Koji mold is essential to Japanese fermented foods.
麹菌(こうじきん)日本(にほん)国菌(こっきん)認定(にんてい)されている。
Koji mold has been designated as Japan's national fungus.
麹菌(こうじきん)(こめ)のでんぷんを(とう)分解(ぶんかい)することで、日本酒(にほんしゅ)醸造(じょうぞう)必要(ひつよう)発酵(はっこう)可能(かのう)になる。
Koji mold breaks down the starch in rice into sugar, making the fermentation necessary for sake brewing possible.

A compound of (こうじ) (koji) and (きん) (fungus, bacterium). In 2006, the Brewing Society of Japan designated 麹菌(こうじきん) as the 国菌(こっきん) (national fungus), recognizing its cultural and economic importance.

麹菌(こうじきん) produces enzymes that break down starches into sugars and proteins into amino acids, which is the basis of umami in Japanese cuisine.

COMMON COLLOCATIONS:

  • 麹菌(こうじきん)培養(ばいよう)する: to cultivate koji mold
  • 麹菌(こうじきん)(はたら)き: the action of koji mold
  • 麹菌(こうじきん)使(つか)った発酵(はっこう): fermentation using koji mold
  • 麹菌(こうじきん)種類(しゅるい): types of koji mold

SIMILAR WORDS:

  • (こうじ): koji — the cultured grain product, not the mold organism itself
  • 酵母(こうぼ): yeast — another microorganism used in fermentation, converts sugar to alcohol
  • 乳酸菌(にゅうさんきん): lactic acid bacteria — used in yogurt and pickled vegetable fermentation