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Cryoprotective effects of yeast extracellular polysaccharides and glycoproteins.

Author(s) : BREIEROVA E., KOCKOVA-KRATOCHVILOVA A.

Type of article: Article

Summary

Eighteen yeast strains were tested for their ability to survive the freeze-thaw process while being cryoprotected. Cryoprotection was accomplished by combining penetrating and nonpenetrating cryoagents. Four nonpenetrating (two extracellular polysaccharides of yeast and two extracellular glycoproteins of yeast) and two penetrating agents were used together with the nutritive-rich medium. Eight different mixtures were tested. The highest survival rate was obtained with glycoproteins of Rhodosporidium toruloides together with DMSO and nutritive-rich medium.

Details

  • Original title: Cryoprotective effects of yeast extracellular polysaccharides and glycoproteins.
  • Record ID : 1993-1125
  • Languages: English
  • Source: Cryobiology - vol. 29 - n. 3
  • Publication date: 1992/06

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