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Ethanol tolerance in free and sol-gel immobilised Saccharomyces cerevisiae
The tolerance of sol-gel immobilised and free Saccharomyces cerevisiae to ethanol was studied. The effects of ethanol preincubation time showed that the specific death velocity decreased from 2 x 10(5) c.f.u. min-1 for free cells to 2 x 10(4) c.f.u. min-1 for immobilised cells thus indicating that i...
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Published in: | Biotechnology letters 2002-10, Vol.24 (19), p.1557-1559 |
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Main Authors: | , , , |
Format: | Article |
Language: | English |
Subjects: | |
Citations: | Items that cite this one |
Online Access: | Get full text |
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Summary: | The tolerance of sol-gel immobilised and free Saccharomyces cerevisiae to ethanol was studied. The effects of ethanol preincubation time showed that the specific death velocity decreased from 2 x 10(5) c.f.u. min-1 for free cells to 2 x 10(4) c.f.u. min-1 for immobilised cells thus indicating that immobilised yeast was far less sensitive to the ethanol damage. The specific glucose consumption of immobilised and free cells on a per cell basis was 3 x 10(-12) g cell-1 h-1 and 9 x 10(-12) g cell-1 h-1, respectively. |
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ISSN: | 0141-5492 1573-6776 |
DOI: | 10.1023/A:1020375321009 |