Viability of Streptomyces strains and its variants after freeze-drying in CNMN

Abstract

Thus, freeze-drying of microbial strains is one of the most sustainable methods, but it requires the greatest manpower, special equipment and trained personnel. Thus, the purpose of the research was to evaluate the viability of Streptomyces strains maintained in the National Collection of Non-Pathogenic Microorganisms (CNMN) after freezedrying to determine the effectiveness of the method.