Abstract Background The filamentous fungus Aspergillus niger is frequently used for industrial production of fermentative products such as enzymes. proteins and biochemicals. Notable examples of industrially produced A. niger fermentation products are glucoamylase and citric acid. https://safeersappliancers.shop/product-category/rangemaster-prop110ngfss-c-professional-plus-110cm-6-burners-a-a-gas-range/