Fungal production of citric acid

Citric acid is the principal organic acid found in citrus fruits. To meet increasing demands it is produced from carbohydrate feedstock by fermentation with the fungus Aspergillus niger and the yeasts of Candida spp. Effect of various fermentation conditions and the biochemistry of citric acid forma...

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Bibliographic Details
Published in:Biotechnology advances 1995, Vol.13 (2), p.209-234
Main Authors: Grewal, H.S., Kalra, K.L.
Format: Article
Language:English
Subjects:
Aspergillus niger
Biological and medical sciences
Biotechnology
Candida
citric acid
fermentation
Fundamental and applied biological sciences. Psychology
Methods. Procedures. Technologies
Microbial engineering. Fermentation and microbial culture technology
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Summary:Citric acid is the principal organic acid found in citrus fruits. To meet increasing demands it is produced from carbohydrate feedstock by fermentation with the fungus Aspergillus niger and the yeasts of Candida spp. Effect of various fermentation conditions and the biochemistry of citric acid formation by A. niger have been discussed. Commercially citric acid is produced by surface, submerged and solid state fermentation techniques. Recovery of pure acid from fermentation broth is done primarily by precipitation with lime and also by solvent extraction.
ISSN:0734-9750
1873-1899
DOI:10.1016/0734-9750(95)00002-8