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Production of γ-Decalactone by Yeast Strains Under Different Conditions

Production of γ-Decalactone by Yeast Strains Under Different Conditions

Dayana Pereira de Andrade, Beatriz Ferreira Carvalho, Rosane Freitas Schwan, Disney Ribeiro Dias

Food Technol Biotechnol. 2017 Jun;55(2):225-230.

PMID: 28867952

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.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
AP706149	γ-Decalactone		706-14-9	Price

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