Repeated Batch Fermentation Biotechnology for the Biosynthesis of Lipid and Gamma-Linolenic Acid by Cunninghamella bainieri 2A1

Marjan Ganjali Dashti, Peyman Abdeshahian, Wan Mohtar Wan Yusoff, Mohd. Sahaid Kalil, Aidil Abdul Hamid

Research output: Contribution to journalArticle

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Abstract

The biosynthesis of biomedical products including lipid and gamma-linolenic acid (GLA) by Cunninghamella bainieri 2A1 was studied in repeated batch fermentation. Three key process variables, namely, glucose concentration, ammonium tartrate concentration, and harvesting time, were optimized using response surface methodology. Repeated batch fermentation was carried out by the cultivation of Cunninghamella bainieri 2A1 in nitrogen-limited medium with various nitrogen concentration (1-4 g/L) and glucose concentration (20-40 g/L) at three time intervals (12 h, 24 h, and 48 h). Experimental results showed that the highest lipid concentration of 6.2 g/L and the highest GLA concentration of 0.4 g/L were obtained in optimum conditions, where 20.2 g/L glucose, 2.12 g/L ammonium tartrate, and 48 h harvesting time were utilized. Statistical results showed that the interaction between glucose and ammonium tartrate concentration had highly significant effects on lipid and GLA biosynthesis (P < 0.01). Moreover, harvesting time had a significant interaction effect with glucose and ammonium tartrate concentration on lipid production (P < 0.05).

Original languageEnglish
Article number831783
JournalBioMed Research International
Volume2014
DOIs
Publication statusPublished - 2014

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Cunninghamella
gamma-Linolenic Acid
Biosynthesis
Biotechnology
Fermentation
Lipids
Glucose
Nitrogen
tartaric acid

ASJC Scopus subject areas

  • Biochemistry, Genetics and Molecular Biology(all)
  • Immunology and Microbiology(all)

Cite this

Repeated Batch Fermentation Biotechnology for the Biosynthesis of Lipid and Gamma-Linolenic Acid by Cunninghamella bainieri 2A1. / Ganjali Dashti, Marjan; Abdeshahian, Peyman; Wan Yusoff, Wan Mohtar; Kalil, Mohd. Sahaid; Abdul Hamid, Aidil.

In: BioMed Research International, Vol. 2014, 831783, 2014.

Research output: Contribution to journalArticle

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AU - Kalil, Mohd. Sahaid

AU - Abdul Hamid, Aidil

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