Efficient production of succinic acid in immobilized fermentation with crude glycerol from Escherichia coli

Journal Title: Food Research - Year 2018, Vol 2, Issue 1

Abstract

The increase in the price of commercial succinic acid has necessitated the need for its synthesis from waste materials such as glycerol. Glycerol residue is a waste product of Oleochemical production which is cheaply available and a very good source of carbon. The use of immobilized cells can further reduce the overall cost of the production process. This study primarily aims to produce succinic acid from glycerol residue through the use of immobilized Escherichia coli in a batch fermentation process. The parameters which affect bacterial fermentation process such as the mass substrate, temperature, inoculum size and duration of fermentation were screened using One-Factor-At-a-Time (OFAT) method. The result of the screening process shows that a substrate (glycerol) concentration of 30 g, inoculum size 20% v/v, and time 4 h produced the maximum succinic acid concentration of 117.99 g/L. The immobilized cells were found to be stable as well as retain their fermentative ability up to the 6th cycle of recycling, thereby presenting as an advantage over the free cell system. Therefore, conclude that using immobilized cells can contribute immensely to the cost-effective production of succinic acid from glycerol residue.

Authors and Affiliations

Nik Nor Aziati A. A. , Mimi Sakinah A. M.

Keywords

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  • EP ID EP290603
  • DOI 10.26656/fr.2017.2(1).156
  • Views 176
  • Downloads 0

How To Cite

Nik Nor Aziati A. A. , Mimi Sakinah A. M. (2018). Efficient production of succinic acid in immobilized fermentation with crude glycerol from Escherichia coli. Food Research, 2(1), 110-118. https://europub.co.uk/articles/-A-290603