Bioconversion of sugarcane molasses and waste glycerol on single cell oils for biodiesel by the red yeast Rhodotorula glutinis R4 from Antarctica
In the context of the global energy crisis and the constant demand for biofuels, this work explored the biodiesel production from single-cell oils (SCO) produced by the Antarctic oleaginous yeast Rhodotorula glutinis R4 from low-cost local agro-industrial by-products (sugarcane molasses and waste gl...
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ftdoajarticles:oai:doaj.org/article:6da2ddb835974f43adb44a1ba29951c7 2023-05-15T13:58:51+02:00 Bioconversion of sugarcane molasses and waste glycerol on single cell oils for biodiesel by the red yeast Rhodotorula glutinis R4 from Antarctica Pedro E. Sineli D. Daniela Maza Manuel J. Aybar Lucía I.C. Figueroa Silvana C. Viñarta 2022-12-01T00:00:00Z https://doi.org/10.1016/j.ecmx.2022.100331 https://doaj.org/article/6da2ddb835974f43adb44a1ba29951c7 EN eng Elsevier http://www.sciencedirect.com/science/article/pii/S2590174522001544 https://doaj.org/toc/2590-1745 2590-1745 doi:10.1016/j.ecmx.2022.100331 https://doaj.org/article/6da2ddb835974f43adb44a1ba29951c7 Energy Conversion and Management: X, Vol 16, Iss , Pp 100331- (2022) Rhodotorula glutinis Sugarcane molasses Waste glycerol Single-cell oils Biodiesel Engineering (General). Civil engineering (General) TA1-2040 article 2022 ftdoajarticles https://doi.org/10.1016/j.ecmx.2022.100331 2022-12-30T22:46:21Z In the context of the global energy crisis and the constant demand for biofuels, this work explored the biodiesel production from single-cell oils (SCO) produced by the Antarctic oleaginous yeast Rhodotorula glutinis R4 from low-cost local agro-industrial by-products (sugarcane molasses and waste glycerol). The lipid accumulation reached 46.8 % and 40.7 % at 120 h of culture using glycerol and molasses, respectively, which correspond to 5.72 and 8.68 g L−1 of final lipid concentration. R. glutinis R4 yielded 0.172 and 0.185 g of lipids per gram of substrate consumed grown in molasses or glycerol medium, respectively. These amounts being higher than the ones obtained in glucose medium (0.126 g g−1). At 120 h of culture, lipid volumetric productivities were 0.048 and 0.072 g L−1 h−1 using glycerol and molasses, respectively, and 0.043 g L−1 h−1 in the glucose yeast extract (GYM) medium. Oleic acid is the predominant fatty acid in the oils from R. glutinis R4, reaching 67.5 % with molasses, thus indicating that it is adequate for biodiesel synthesis. This is the first study where SCO produced by R. glutinis R4 were converted into biodiesel by acid transesterification with an efficiency above 90 %. The biodiesel produced by R. glutinis R4 grown on culture media containing molasses or waste glycerol is fully compliant with the international standards for biodiesel. SCO obtained from R. glutinis R4 using molasses and waste glycerol can be effectively used as sources of triacylglycerols for biodiesel production. Article in Journal/Newspaper Antarc* Antarctic Antarctica Directory of Open Access Journals: DOAJ Articles Antarctic The Antarctic Energy Conversion and Management: X 16 100331 |
institution |
Open Polar |
collection |
Directory of Open Access Journals: DOAJ Articles |
op_collection_id |
ftdoajarticles |
language |
English |
topic |
Rhodotorula glutinis Sugarcane molasses Waste glycerol Single-cell oils Biodiesel Engineering (General). Civil engineering (General) TA1-2040 |
spellingShingle |
Rhodotorula glutinis Sugarcane molasses Waste glycerol Single-cell oils Biodiesel Engineering (General). Civil engineering (General) TA1-2040 Pedro E. Sineli D. Daniela Maza Manuel J. Aybar Lucía I.C. Figueroa Silvana C. Viñarta Bioconversion of sugarcane molasses and waste glycerol on single cell oils for biodiesel by the red yeast Rhodotorula glutinis R4 from Antarctica |
topic_facet |
Rhodotorula glutinis Sugarcane molasses Waste glycerol Single-cell oils Biodiesel Engineering (General). Civil engineering (General) TA1-2040 |
description |
In the context of the global energy crisis and the constant demand for biofuels, this work explored the biodiesel production from single-cell oils (SCO) produced by the Antarctic oleaginous yeast Rhodotorula glutinis R4 from low-cost local agro-industrial by-products (sugarcane molasses and waste glycerol). The lipid accumulation reached 46.8 % and 40.7 % at 120 h of culture using glycerol and molasses, respectively, which correspond to 5.72 and 8.68 g L−1 of final lipid concentration. R. glutinis R4 yielded 0.172 and 0.185 g of lipids per gram of substrate consumed grown in molasses or glycerol medium, respectively. These amounts being higher than the ones obtained in glucose medium (0.126 g g−1). At 120 h of culture, lipid volumetric productivities were 0.048 and 0.072 g L−1 h−1 using glycerol and molasses, respectively, and 0.043 g L−1 h−1 in the glucose yeast extract (GYM) medium. Oleic acid is the predominant fatty acid in the oils from R. glutinis R4, reaching 67.5 % with molasses, thus indicating that it is adequate for biodiesel synthesis. This is the first study where SCO produced by R. glutinis R4 were converted into biodiesel by acid transesterification with an efficiency above 90 %. The biodiesel produced by R. glutinis R4 grown on culture media containing molasses or waste glycerol is fully compliant with the international standards for biodiesel. SCO obtained from R. glutinis R4 using molasses and waste glycerol can be effectively used as sources of triacylglycerols for biodiesel production. |
format |
Article in Journal/Newspaper |
author |
Pedro E. Sineli D. Daniela Maza Manuel J. Aybar Lucía I.C. Figueroa Silvana C. Viñarta |
author_facet |
Pedro E. Sineli D. Daniela Maza Manuel J. Aybar Lucía I.C. Figueroa Silvana C. Viñarta |
author_sort |
Pedro E. Sineli |
title |
Bioconversion of sugarcane molasses and waste glycerol on single cell oils for biodiesel by the red yeast Rhodotorula glutinis R4 from Antarctica |
title_short |
Bioconversion of sugarcane molasses and waste glycerol on single cell oils for biodiesel by the red yeast Rhodotorula glutinis R4 from Antarctica |
title_full |
Bioconversion of sugarcane molasses and waste glycerol on single cell oils for biodiesel by the red yeast Rhodotorula glutinis R4 from Antarctica |
title_fullStr |
Bioconversion of sugarcane molasses and waste glycerol on single cell oils for biodiesel by the red yeast Rhodotorula glutinis R4 from Antarctica |
title_full_unstemmed |
Bioconversion of sugarcane molasses and waste glycerol on single cell oils for biodiesel by the red yeast Rhodotorula glutinis R4 from Antarctica |
title_sort |
bioconversion of sugarcane molasses and waste glycerol on single cell oils for biodiesel by the red yeast rhodotorula glutinis r4 from antarctica |
publisher |
Elsevier |
publishDate |
2022 |
url |
https://doi.org/10.1016/j.ecmx.2022.100331 https://doaj.org/article/6da2ddb835974f43adb44a1ba29951c7 |
geographic |
Antarctic The Antarctic |
geographic_facet |
Antarctic The Antarctic |
genre |
Antarc* Antarctic Antarctica |
genre_facet |
Antarc* Antarctic Antarctica |
op_source |
Energy Conversion and Management: X, Vol 16, Iss , Pp 100331- (2022) |
op_relation |
http://www.sciencedirect.com/science/article/pii/S2590174522001544 https://doaj.org/toc/2590-1745 2590-1745 doi:10.1016/j.ecmx.2022.100331 https://doaj.org/article/6da2ddb835974f43adb44a1ba29951c7 |
op_doi |
https://doi.org/10.1016/j.ecmx.2022.100331 |
container_title |
Energy Conversion and Management: X |
container_volume |
16 |
container_start_page |
100331 |
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1766267212200411136 |