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http://dx.doi.org/10.5352/JLS.2006.16.1.006

Kinetics for Citric Acid Production from the Concentrated Milk Factory Waste Water by Aspergillus niger ATCC 9142  

Lee Yong-Hee (Research Institute for Basic Sciences, Dong-Eui University)
Suh Myung-Gyo (Department of Medical Administration, Dong-Eui Institute of Technology)
Chung Kyung-Tae (Department of Life Science and Biotechnology, Dong-Eui University)
Publication Information
Journal of Life Science / v.16, no.1, 2006 , pp. 6-11 More about this Journal
Abstract
The waste water from a milk factory was investigated for possibility of use to the production of citric acid by cells of Aspegillus niger ATCC 9142. The addition of $Mn^{2+},\;Fe^{2+}\;and\;Cu^{2+}$ ions to waste increased citric acid production steadily, but addition of metal ion $Mg^{2+}$ decreased the citric acid production. The amount of produced citric acid by Aspegillus niger ATCC 9142 with addition 50 g/1 and 100 g/1 of reducing sugar in milk factory waste water were 7.2 g/1 and 16.5 g/1 respectively. Mathematical model was simulated for their predictability of cell growth, citric acid production and substrate consumption rate and coincided with experimental data.
Keywords
Milk factory waste water; Aspegillus niger ATCC 9142; citric acid production; reducing sugar concentration; mathematical model;
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Times Cited By KSCI : 1  (Citation Analysis)
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