Aspergillus niger is a common specie in Amon imperfect fungi, Trichosporon Gang, Trichosporon head, cluster stems spore Branch, Aspergillus fungi. It is Widely distributed in the world of food, plant products and soil. Is an important industrial fermentation bacteria to produce amylase, acid protease, cellulase, pectinase, glucose oxidase, citric acid, gallic acid and glucose acid. Some strains can also be converted to hydroxy pregnane ketone ene. Optimum growth temperature 37 ℃ , the minimum relative humidity of 88%, high moisture grain can cause mildew and mold and other industrial equipment.
Economic usage：
Aspergillus niger is a system of butter which is used to making wine, vinegar main species. Is the production of enzymes (protease, amylase, pectinase) strains. Production of organic acids (such as citric acid, gluconic acid, etc.). Agriculture for the production of glycosylated feed bacteria. Can be used to determine manganese, copper, molybdenum, zinc and other trace elements and mold rot as test bacteria. Cheese ripening cheese surface contamination will make black, deterioration of butter will produce color.
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