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|metadata.artigo.dc.title:||Production of γ-Decalactone by yeast strains under different conditions|
|metadata.artigo.dc.creator:||Andrade, Dayana Pereira de|
Carvalho, Beatriz Ferreira
Schwan, Rosane Freitas
Dias, Disney Ribeiro
Óeo de castor
|metadata.artigo.dc.publisher:||University of Zagreb|
|metadata.artigo.dc.identifier.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.|
|metadata.artigo.dc.description.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.|
|Appears in Collections:||DCA - Artigos publicados em periódicos|
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