期刊
FOOD CHEMISTRY
卷 112, 期 2, 页码 290-294出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.foodchem.2008.05.079
关键词
Bioconversion; Fusel oil; Isoamyl acetate; Beet molasses; Williopsis saturnus var. saturnus
资金
- Academic Research Projects Unit of Cukurova University of Turkey [ZF2004BAP20, ZF2004D34]
Fusel oil which contains high level of amyl alcohols (approximately 45-55%) is a by-product obtained from the distillation of alcohol made by fermentation of molasses. Williopsis saturnus is a yeast which is able to convert isoamyl alcohol into isoamyl acetate. The aim of this study was to increase the formation of isoamyl acetate by the addition of fusel oil at the ratios of 1%, 2% and 3% (v/v) to molasses based fermentation medium using W saturnus. It was found out that bioconversion of added fusel oil into isoamyl acetate was possible and an addition of 1% fusel oil led to an increase in isoamyl acetate concentration from 118 to 354 mg/L. (C) 2008 Elsevier Ltd. All rights reserved.
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