Summary
Mead was produced by immobilized cells of Hansenula anomala in calcium alginate gels. The immobilized cell beads of 3 mm diameter packed in column reactors of dimensions 2.2x60, 4x40 and 8x80 cm, produced mead containing maximum concentrations of ethanol and ethyl acetate of 70 g/l and 730 mg/l, respectively at a dilution rate of 0.1 h−1. The maximum alcohol productivity achieved was 23.1 g/l·h at a dilution rate of 0.33 h−1. With intermittent regenerations of the cells the reactor operated continuously for 110 days. This process enables the quick production of matured mead by a single culture and the elimination of the traditionally used long aging periods.
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Qureshi, N., Tamhane, D.V. Production of mead by immobilized cells of Hansenula anomala . Appl Microbiol Biotechnol 27, 27–30 (1987). https://doi.org/10.1007/BF00257249
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DOI: https://doi.org/10.1007/BF00257249