Extraction of brewer's yeasts using different methods of cell disruption for practical biodiesel production
Language English Country United States Media print-electronic
Document type Comparative Study, Journal Article, Research Support, Non-U.S. Gov't
- MeSH
- Biofuels analysis MeSH
- Nitrogen metabolism MeSH
- Fermentation MeSH
- Lipids chemistry MeSH
- Fatty Acids chemistry metabolism MeSH
- Industrial Microbiology methods MeSH
- Saccharomyces cerevisiae chemistry metabolism MeSH
- Publication type
- Journal Article MeSH
- Research Support, Non-U.S. Gov't MeSH
- Comparative Study MeSH
- Names of Substances
- Biofuels MeSH
- Nitrogen MeSH
- Lipids MeSH
- Fatty Acids MeSH
The methods of preparation of fatty acids from brewer's yeast and its use in production of biofuels and in different branches of industry are described. Isolation of fatty acids from cell lipids includes cell disintegration (e.g., with liquid nitrogen, KOH, NaOH, petroleum ether, nitrogenous basic compounds, etc.) and subsequent processing of extracted lipids, including analysis of fatty acid and computing of biodiesel properties such as viscosity, density, cloud point, and cetane number. Methyl esters obtained from brewer's waste yeast are well suited for the production of biodiesel. All 49 samples (7 breweries and 7 methods) meet the requirements for biodiesel quality in both the composition of fatty acids and the properties of the biofuel required by the US and EU standards.
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