UTILIZATION OF Aspergillus niger FOR INDUSTRIAL ORGANIC ACID PRODUCTION FROM CASSAVA
S. ANBUSELVI *
Department of Industrial Biotechnology, Bharath Institute of Higher Education and Research, Chennai-73, India
L. JEYANTHI REBECCA
Department of Industrial Biotechnology, Bharath Institute of Higher Education and Research, Chennai-73, India
*Author to whom correspondence should be addressed.
Abstract
Citric acid can be generated from Manihot esculenta peel by utilizing the fungus Aspergillus niger grown in various carbon and nitrogen sources. The medium enhanced with glucose showed elevated citric acid output. The output of citric acid was decreased by ammonium chloride and ammonium persulphate. In ammonium dihydrogen phosphate, the highest output of citric acid was noted. The optimum yield of citric acid from cassava peel using Aspergillus niger was found in 20 days of fermentation with pH3.
Keywords: Aspergillus niger, cassava, organic acid, Manihot esculenta peel.