Новый штамм Saccharomyces cerevisiae А112 для получения биомасс, обогащенных цинком

New Strain Saccharomyces cerevisiae A112 for the Production of Zinc-Fortified Biomass

Khanh N. T. ^a

Trang N. T. ^b

Manh L. D. ^c

Quang L. H. ^d

Affiliation

a Assistant of the Center for Industrial Biochemistry and Enviroment, Food Industries Research Institute, candidate of biological sciences

b Assistant of the Center for Industrial Biochemistry and Enviroment, Food Industries Research Institute

c Director of Food Industries Research Institute, Food Industries Research Institute, professor, doctor of chemical sciences

d Engineer, Assistant of the Center for Industrial Biochemistry and Enviroment, Food Industries Research Institute

Copyright ©Khanh et al. This is an open access article distributed under the terms of the Creative Commons Attribution 4.0. (http://creativecommons.org/licenses/by/4.0/), allowing third parties to copy and redistribute the material in any medium or format and to remix, transform, and build upon the material for any purpose, even commercially, provided the original work is properly cited and states its license.

DOI: http://doi.org/10.21603/2074-9414-2018-4-114-120

Abstract

The Food Industries Research Institute of Vietnam is one of the leading research institutes in the country, which study the use of microorganisms in food production. One of the main goals of the Institute is to collect and search for new strains for further research and production. Recently, the Institute has focused on products that use biomasses of microorganisms, such as zinc- and selenium-forified yeast biomass. The present research features new yeast strains for the production of high-zinc-containing preparations. The studies examined the properties of Saccharomyces cerevisiae A112 and its stability under laboratory conditions. The research was conducted at the Food Industries Research Institute of Vietnam. The Saccharomyces cerevisiae A112 was found to contain up to 12.88 mg of zinc per gram of dry biomass when 1 g/l sulfate salt was added to the medium. The results allowed for industrial use of zinc-enriched yeast biomass. The new strain is resistant to temperatures up to 35°C while the optimal growth temperature is 28–33°C.

Keywords

Zinc-fortified biomass, high-zinc-containing preparations, yeast, Saccharomyces cerevisiae, zinc

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