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Fluidized bed drying is a cost-effective and versatile technique for the conservation of microorganisms guaranteeing them a long useful life in terms of culture stability (viability and activity). In this work, a method for dehydration of yeasts and lactic acid bacteria using fluidized bed technology and manioc starch as carrier is described. Under assay conditions, total drying of cultures (corresponding to a decrease in aw from approximately 0.99 to 0.17) occurred with high cell survival evidencing the method efficiency for preservation of microbial cultures.

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Preservation of Yeast and Lactic Acid Bacteria Using Fluidized Bed Drying

  • 章节

  • 发表日期：

    2025年

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  • Manuel Morales,
  • Marina Edith Navarro,
  • Natalia Brizuela,
  • Andrés Reyes-Urrutia,
  • Fausto Vicente,
  • Barbara Bravo-Ferrada,
  • Liliana Semorile,
  • Adriana Caballero,
  • Elizabeth Tymczyszyn

摘要

Fluidized bed drying is a cost-effective and versatile technique for the conservation of microorganisms guaranteeing them a long useful life in terms of culture stability (viability and activity). In this work, a method for dehydration of yeasts and lactic acid bacteria using fluidized bed technology and manioc starch as carrier is described. Under assay conditions, total drying of cultures (corresponding to a decrease in aw from approximately 0.99 to 0.17) occurred with high cell survival evidencing the method efficiency for preservation of microbial cultures.