Lipid content, biomass density, fatty acid as selection markers for evaluating the suitability of four fast growing cyanobacterial strains for biodiesel production

Geetanjali Yadav, Manigandan Sekar, Sang Hyoun Kim, V. Edwin Geo, Shashi Kant Bhatia, Jamal S.M. Sabir, Nguyen Thuy Lan Chi, Kathirvel Brindhadevi, Arivalagan Pugazhendhi

Research output: Contribution to journalArticlepeer-review

37 Citations (Scopus)

Abstract

Considering the glitches in making commercially realistic fuel, this research article has demonstrated the lipid accumulation in four fast growing, filamentous cyanobacterial strains. On day 26, the lipid content estimated was 6.7, 8.2, 10.2, and 9.4% from Phormidium sp. FW01, Phormidium sp. FW02, Oscillatoria sp. FW01, and Oscillatoria sp. FW02, respectively. Of the photosynthetically active radiation (PAR) tested, 2000 lx was found to higher biomass and lipid at about 1.83 g/L and 12.5%, respectively for Oscillatoria sp. FW01. Of <5 °C, 15 °C, 25 °C, 37–40 °C tested, 11.2% lipid was extracted from Oscillatoria sp. FW01 grown at 37–40 °C and pH did not make any changes in biomass and lipid content. The optimized abiotic conditions showed higher polar lipids about 75% in all the tested cyanobacteria and further, Oscillatoria sp. FW01 yielded 57% fatty acid methyl ester, which contains desirable fatty acids C 16:0, C 16:1, C18:1, C18:3 for high quality biodiesel.

Original languageEnglish
Article number124654
JournalBioresource technology
Volume325
DOIs
Publication statusPublished - 2021 Apr

Bibliographical note

Funding Information:
The Deanship of Scientific Research (DSR) at King Abdulaziz University, Jeddah, Saudi Arabia has funded this project, under grant no. FP-36-42.

Publisher Copyright:
© 2021 Elsevier Ltd

All Science Journal Classification (ASJC) codes

  • Bioengineering
  • Environmental Engineering
  • Renewable Energy, Sustainability and the Environment
  • Waste Management and Disposal

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