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Title: | Production of γ-Decalactone by yeast strains under different conditions |
Keywords: | Castor oil Crude glycerol Lindnera saturnus Microbial γ-decalactone Yarrowia lipolytica Óeo de castor Glicerol bruto |
Issue Date: | Jun-2017 |
Publisher: | University of Zagreb |
Citation: | ANDRADE, D. P. de et al. Production of γ-Decalactone by yeast strains under different conditions. Food Technology and Biotechnology, Zagreb, v. 55, n. 2, p. 225-230, June 2017. |
Abstract: | γ-Decalactone is a flavour compound that when obtained by biotechnological production using microorganisms is classified as natural. The aim of this study is to evaluate various conditions for γ-decalactone production by tropical yeast strains Yarrowia lipolytica CCMA 0242 and Lindnera saturnus CCMA 0243. The growth of and γ-decalactone production by Y. lipolytica CCMA 0242 were higher in castor oil than in glycerol. γ-Decalactone production in single batch or fed-batch fermentation did not differ significantly. The γ-decalactone production by L. saturnus CCMA 0243 was better at initial pH=5, while the production by Y. lipolytica CCMA 0242 was better at initial pH=6. The yeast L. saturnus CCMA 0243 produced more γ-decalactone than Y. lipolytica CCMA 0242 under the same fermentation conditions. The crude glycerol was not an alternative substrate for γ-decalactone production by Y. lipolytica CCMA 0242. Castor oil at volume fraction of 30% showed better results as a substrate. The strain L. saturnus CCMA 0243 showed better results of γ-decalactone production. This yeast species can be considered an alternative producer of γ-decalactone in biotechnological processes. |
URI: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5569340/ http://repositorio.ufla.br/jspui/handle/1/29892 |
Appears in Collections: | DCA - Artigos publicados em periódicos |
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