くろこうじきん 黒麹菌 LinksSentence search for 黒麹菌Sentence search for くろこうじきんSentence search for 黒こうじ菌Kanji details for 黒, 麹 and 菌Edit in JMdict Noun1. Aspergillus niger; Aspergillus awamorii; black koji moldOther forms黒こうじ菌 【くろこうじきん】 Discussions Log in to talk about this word.