27 Jun 2022

Aspergillus oryzae

A rapidly growing fungus that produces a brownish green colony within fourteen days, when incubated at 25oC (77oF). It is common worldwide and can be isolated from soil, air, plants, fermented foods, dried cereals and legumes, dried fruits and nuts, birds nests, fodder, wood pulp, and cotton fabrics. It produces kojic acid and a mycotoxin, cyclopiazonic acid. It is not pathogenic for humans.