Bioconversion of commercial and crude glycerol to single-cell oils by the Antarctic yeast Rhodotorula glutinis R4 as a biodiesel feedstock

Angelicola, María Virginia; Fernández, Pablo Marcelo; Aybar, Manuel J.; Nieuwenhove, Carina Van; Figueroa, Lucía I. C. de; Viñarta, Silvana Carolina

doi:10.1016/j.bcab.2022.102544

Biocatalysis and Agricultural Biotechnology

2023

DOI: 10.1016/j.bcab.2022.102544

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Bioconversion of commercial and crude glycerol to single-cell oils by the Antarctic yeast Rhodotorula glutinis R4 as a biodiesel feedstock

María Virginia Angelicola

Pablo Marcelo Fernández

Manuel J. Aybar

et al.

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Cited by 2 publications

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Lipidomic and transcriptomic analyses provide insights into the dynamic changes in lipid metabolism across growth phases in oleaginous yeast Rhodotorula glutinis ZHK

Li,

Xie,

Zhao

et al. 2023

LWT

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Lipidomic and transcriptomic analyses provide insights into the dynamic changes in lipid metabolism across growth phases in oleaginous yeast Rhodotorula glutinis ZHK

Li,

Xie,

Zhao

et al. 2023

LWT

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Valorization of Sugarcane Vinasse and Crude Glycerol for Single-Cell Oils Production by Rhodotorula glutinis R4: A Preliminary Approach to the Integration of Biofuels Industries for Sustainable Biodiesel Feedstock

Maza,

Barros,

Guillamón

et al. 2024

Fermentation

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Single-cell oils (SCOs) offer a promising alternative to conventional biodiesel feedstocks. The main objective of this work was to obtain SCOs suitable for biodiesel production from the oleaginous yeast Rhodotorula glutinis R4 using sugarcane vinasse from a local sugar-derived alcohol industry as the substrate. Additionally, crude glycerol from the local biodiesel industry was evaluated as a low-cost carbon source to replace expensive glucose and as a strategy for integrating the bioethanol and biodiesel industries for the valorization of both agro-industrial wastes. R4 achieved a high lipid accumulation of 88% and 60% (w/w) in vinasse-based culture media, containing 10% and 25% vinasse with glucose (40 g L−1), respectively. When glucose was replaced with crude glycerol, R4 showed remarkable lipid accumulation (40%) and growth (12.58 g L−1). The fatty acids profile of SCOs showed a prevalence of oleic acid (C18:1), making them suitable for biodiesel synthesis. Biodiesel derived from R4 oils exhibits favorable characteristics, including a high cetane number (CN = 55) and high oxidative stability (OS = 13 h), meeting international biodiesel standards (ASTMD6751 and EN14214) and ensuring its compatibility with diesel engines. R. glutinis R4 produces SCOs from vinasse and crude glycerol, contributing to the circular economy for sustainable biodiesel production.

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Bioconversion of commercial and crude glycerol to single-cell oils by the Antarctic yeast Rhodotorula glutinis R4 as a biodiesel feedstock

Cited by 2 publications

References 82 publications

Lipidomic and transcriptomic analyses provide insights into the dynamic changes in lipid metabolism across growth phases in oleaginous yeast Rhodotorula glutinis ZHK

Lipidomic and transcriptomic analyses provide insights into the dynamic changes in lipid metabolism across growth phases in oleaginous yeast Rhodotorula glutinis ZHK

Valorization of Sugarcane Vinasse and Crude Glycerol for Single-Cell Oils Production by Rhodotorula glutinis R4: A Preliminary Approach to the Integration of Biofuels Industries for Sustainable Biodiesel Feedstock

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