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INVESTIGATION OF THE EFFECT OF DIFFERENT FREEZING TEMPERATURES ON THE SURVIVAL OF SACCHAROMYCES CEREVISIAE AFTER FREEZE-DRYING.

Author(s) : TSVETKOV T. D., RUMIAN N., IVANOVA S.

Summary

THE AUTHORS STUDIED THE EFFECT OF FOUR TEMPERATURES: 255, 243, 213 AND 77 K IN THE CRYOPROCESSING AND FREEZE-DRYING OF S. CEREVISIAE STRAINS. THE UNFAVOURABLE EFFECT OFLOW TEMPERATURES ON QUICK-FREEZING IN LIQUID NITROGEN IS SHOWN BY THE DECREASE IN FERMENTATIVE ACTIVITY AND CELL LOSS. THE VIABILITY OF YEASTS IS BEST PRESERVED AT 213 K WITH 87.7% SURVIVAL AFTER FREEZING AND 31.7% AFTER FREEZE-DRYING.

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Pages: 102-106

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Details

  • Original title: INVESTIGATION OF THE EFFECT OF DIFFERENT FREEZING TEMPERATURES ON THE SURVIVAL OF SACCHAROMYCES CEREVISIAE AFTER FREEZE-DRYING.
  • Record ID : 1988-1271
  • Languages: English
  • Source: Development in refrigeration, refrigeration for development. Proceedings of the XVIIth international Congress of Refrigeration.
  • Publication date: 1987/08/24
  • Document available for consultation in the library of the IIR headquarters only.

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