NDLI: Batch Fermentation Model of Propionic Acid Production by Propionibacterium acidipropionici in Different Carbon Sources

Content Provider	Springer Nature Link
Author	Coral, Jefferson Karp, Susan Grace Porto de Souza Vandenberghe, Luciana Parada, José Luis Pandey, Ashok Soccol, Carlos Ricardo
Copyright Year	2008
Abstract	Propionic acid (PA) is widely used as additive in animal feed and also in the manufacturing of cellulose-based plastics, herbicides, and perfumes. Salts of propionic acid are used as preservative in food. PA is mainly produced by chemical synthesis. Nowadays, PA production by fermentation of low-cost industrial wastes or renewable sources has been an interesting alternative. In the present investigation, PA production by Propionibacterium acidipropionici ATCC 4965 was studied using a basal medium with sugarcane molasses (BMSM), glycerol or lactate (BML) in small batch fermentation at 30 and 36 °C. Bacterial growth was carried out under low dissolved oxygen concentration and without pH control. Results indicated that P. acidipropionici produced more biomass in BMSM than in other media at 30 °C (7.55 g l$^{−1}$) as well as at 36 °C (3.71 g l$^{−1}$). PA and biomass production were higher at 30 °C than at 36 °C in all cases studied. The best productivity was obtained by using BML (0.113 g l$^{−1}$ h$^{−1}$), although the yielding of this metabolite was higher when using glycerol as carbon source (0.724 g g$^{−1}$) because there was no detection of acetic acid. By the way, when using the other two carbon sources, acetic acid emerged as an undesirable by-product for further PA purification.
Starting Page	333
Ending Page	341
Page Count	9
File Format	PDF
ISSN	02732289
Journal	Applied Biochemistry and Biotechnology
Volume Number	151
Issue Number	2-3
e-ISSN	15590291
Language	English
Publisher	Humana Press Inc
Publisher Date	2008-04-02
Publisher Place	New York
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Propionibacterium acidipropionici Propionic acid Batch fermentation Carbon sources Sugarcane molasses Glycerol Lactate Biochemistry Biotechnology
Content Type	Text
Resource Type	Article
Subject	Medicine Molecular Biology Environmental Engineering Biochemistry Bioengineering Applied Microbiology and Biotechnology Biotechnology

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Batch fermentation model of propionic acid production by propionibacterium acidipropionici in different carbon sources

Batch Fermentation Model of Propionic Acid Production by Propionibacterium acidipropionici in Different Carbon Sources (2008)

Batch Fermentation Model of Propionic Acid Production by Propionibacterium acidipropionici in Different Carbon Sources

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