Effect of nitrogen sources on biomass, lipid and docosahexanoic acid production by Aurantiochytrium sp. SW1

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

A local isolate, Aurantiochytrium sp. SW1 has been verified to have high content of docosahexanoic acid (DHA). However, the effect of different nitrogen sources on biomass, lipid concentration and DHA content in Aurantiochytrium sp. SW1 is still unknown. Hence, this study is focused in using six different organic and inorganic nitrogen sources to grow Aurantiochytrium sp. SW1 in optimized Burja medium. Monosodium glutamate (MSG) gave the highest biomass concentration of 15.97 g/L followed by ammonium nitrate (NH4NO3) with 13.37 g/L at 96 hr. These two nitrogen sources had significant effect on the biomass concentration (p<0.05). The highest lipid accumulated was obtained using MSG that reached 79.6% in biomass concentration. DHA content in lipid showed cultivation using MSG reached 47.9% (4.95 g/L). Statistical analysis using least significant difference (LSD) showed significant lipid production (p<0.05) when cultivated in MSG compared to other five nitrogen sources. The highest DHA productivity (0.052 g/L hr-1) was obtained in medium containing MSG. This study proves that nitrogen component in the medium significantly affects the biomass concentration, lipid and DHA content.

Original languageEnglish
Title of host publication2017 UKM FST Postgraduate Colloquium
Subtitle of host publicationProceedings of the University Kebangsaan Malaysia, Faculty of Science and Technology 2017 Postgraduate Colloquium
PublisherAmerican Institute of Physics Inc.
Volume1940
ISBN (Electronic)9780735416321
DOIs
Publication statusPublished - 4 Apr 2018
Event2017 UKM FST Postgraduate Colloquium - Selangor, Malaysia
Duration: 12 Jul 201713 Jul 2017

Other

Other2017 UKM FST Postgraduate Colloquium
CountryMalaysia
CitySelangor
Period12/7/1713/7/17

Fingerprint

glutamates
biomass
lipids
nitrogen
acids
ammonium nitrates
productivity
statistical analysis

ASJC Scopus subject areas

  • Physics and Astronomy(all)

Cite this

Auma, K., Abdul Hamid, A., & Wan Yusoff, W. M. (2018). Effect of nitrogen sources on biomass, lipid and docosahexanoic acid production by Aurantiochytrium sp. SW1. In 2017 UKM FST Postgraduate Colloquium: Proceedings of the University Kebangsaan Malaysia, Faculty of Science and Technology 2017 Postgraduate Colloquium (Vol. 1940). [020065] American Institute of Physics Inc.. https://doi.org/10.1063/1.5027980

Effect of nitrogen sources on biomass, lipid and docosahexanoic acid production by Aurantiochytrium sp. SW1. / Auma, Khairunnisa; Abdul Hamid, Aidil; Wan Yusoff, Wan Mohtar.

2017 UKM FST Postgraduate Colloquium: Proceedings of the University Kebangsaan Malaysia, Faculty of Science and Technology 2017 Postgraduate Colloquium. Vol. 1940 American Institute of Physics Inc., 2018. 020065.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Auma, K, Abdul Hamid, A & Wan Yusoff, WM 2018, Effect of nitrogen sources on biomass, lipid and docosahexanoic acid production by Aurantiochytrium sp. SW1. in 2017 UKM FST Postgraduate Colloquium: Proceedings of the University Kebangsaan Malaysia, Faculty of Science and Technology 2017 Postgraduate Colloquium. vol. 1940, 020065, American Institute of Physics Inc., 2017 UKM FST Postgraduate Colloquium, Selangor, Malaysia, 12/7/17. https://doi.org/10.1063/1.5027980
Auma K, Abdul Hamid A, Wan Yusoff WM. Effect of nitrogen sources on biomass, lipid and docosahexanoic acid production by Aurantiochytrium sp. SW1. In 2017 UKM FST Postgraduate Colloquium: Proceedings of the University Kebangsaan Malaysia, Faculty of Science and Technology 2017 Postgraduate Colloquium. Vol. 1940. American Institute of Physics Inc. 2018. 020065 https://doi.org/10.1063/1.5027980
Auma, Khairunnisa ; Abdul Hamid, Aidil ; Wan Yusoff, Wan Mohtar. / Effect of nitrogen sources on biomass, lipid and docosahexanoic acid production by Aurantiochytrium sp. SW1. 2017 UKM FST Postgraduate Colloquium: Proceedings of the University Kebangsaan Malaysia, Faculty of Science and Technology 2017 Postgraduate Colloquium. Vol. 1940 American Institute of Physics Inc., 2018.
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