Electromagnetic Fields (0.04 to 0.39) mT effect on cellular growth cycles of Saccharomyces cerevisiae wine strains

Eliseo Amado-González, Alveiro Álvarez Ovallos, Alfonso Quijano Parra


Low frecuency electromagnetic fields effect (EMF) on growth cycles of yeast Saccharomyces cerevisiae wine strains Rv1 and Rhône were studied.  A cylindrical coil induced magnetic fields with inductions up to 0,39 mT. Exposure time to EMF varied between (1 – 10) min at 30 °C.  The biomass growth were monitored in the reactor culture media (yeast extract + by measurement optical density from (0 to 32) h. The biomass was found by dry weight. After yeast expose to the different EMF, the number of growth cycles decreased from 4 cycles to 2 or 1. However, the biomass production increased almost 50 %.  The best biomass production was found at 0.39 mT and 10 min exposure time.  

Keywords: Electromagnetic fields, Saccharomyces cerevisiae, biomass production, RV1

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DOI: https://doi.org/10.24054/01204211.v2.n2.2019.3536

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