Abstract
Studies were carried out for the production of aroma compounds by Kluyveromyces marxianus grown on cassava bagasse in solid state fermentation using packed bed reactors, testing two different aeration rates. Respirometric analysis was used to follow the growth of the culture. Headspace analysis of the culture by gas chromatography showed the production of 11 compounds, out of which nine were identified. Ethyl acetate, ethanol and acetaldehyde were the major compounds produced. Lower aeration rate (0.06l h−1 g−1 of initial dry matter) increased total volatile (TV) production and the rate of production was also increased at this aeration rate. Using an aeration rate of 0.06l h−1 g−1 maximum TV concentrations were reached at 24 h and at 40 h with 0.12l h−1 g−1.
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Medeiros, A.B., Pandey, A., Christen, P. et al. Aroma compounds produced by Kluyveromyces marxianus in solid state fermentation on a packed bed column bioreactor. World Journal of Microbiology and Biotechnology 17, 767–771 (2001). https://doi.org/10.1023/A:1013596330389
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DOI: https://doi.org/10.1023/A:1013596330389