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Article Dans Une Revue Applied Sciences Année : 2022

Magnetic Field Action on Limnospira indica PCC8005 Cultures: Enhancement of Biomass Yield and Protein Content

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The effects of a magnetic field (MF) on the cyanobacteria Limnospira indica PCC 8005 growth rate and biomass composition were investigated. A device to apply the MF during the cultivation was built and the cyanobacteria were exposed to a steady 11 mT transverse MF. The growth increased with MF application, and when it was applied for 1 h per day, 123% more biomass was produced than in the control group. The protein content in the biomass cultured under this condition increased, achieving 60.4 w/w, while the Chl-a increased by 326%. The MF application for 1 h per day was found to be more efficient than when applied continuously for 24 h per day, in addition to being more economical and sustainable. This study showed an inexpensive and non-toxic way to enhance biomass concentration, leading to amounts more than 100% higher than those obtained in the control group. Furthermore, the high protein content in the biomass gave us several possibilities to increase the nutritional value of food.
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hal-03583823 , version 1 (22-02-2022)

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Kricelle Mosquera Deamici, Michel Greque de Morais, Lucielen Oliveira dos Santos, Fabrice Gros, Jorge Alberto Vierira Costa, et al.. Magnetic Field Action on Limnospira indica PCC8005 Cultures: Enhancement of Biomass Yield and Protein Content. Applied Sciences, 2022, 12 (3), pp.1533. ⟨10.3390/app12031533⟩. ⟨hal-03583823⟩
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