期刊
INDIAN JOURNAL OF MICROBIOLOGY
卷 55, 期 4, 页码 415-422出版社
SPRINGER
DOI: 10.1007/s12088-015-0533-9
关键词
Microbial lipids; Fatty acids; Crude glycerol; Biodiesel
资金
- State Research Foundation of Rio Grande do Sul (FAPERGS)
- Brazilian Council for Scientific and Technological Development (CNPq)
- Brazilian Federal Agency for the Support and Evaluation of Graduate Education (CAPES)
In this work, 12 different yeast strains were evaluated to gauge their ability to accumulate lipids using raw glycerol as the main carbon source. Lipomyces lipofer NRRL Y-1155 stood out above the other strains, achieving 9.48 g/l biomass, 57.64 % lipid content and 5.46 g/l lipid production. The fatty acid profile was similar to vegetable oils commonly used in the synthesis of biodiesel, with the predominance of polyunsaturated acids, especially linoleic acid, reaching 68.3 % for Rhodotorula glutinis NRRL YB-252. The occurrence of palmitic acid (39.3 % for Lipomyces starkeyi NRRL Y-11557) was also notable. Thus, yeast biomass with high lipid content can be a sustainable and renewable alternative as a raw material for the biodiesel industry.
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