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Andrei B. Borovkov; Andrei B. Borovkov
Harvested from ORCID Public Data FileAndrei B. Borovkov in OpenAIRE Irina N. Gudvilovich; Alexander S. Lelekov;Irina N. Gudvilovich
Harvested from ORCID Public Data FileIrina N. Gudvilovich in OpenAIRE Anna L. Avsiyan; Anna L. Avsiyan
Harvested from ORCID Public Data FileAnna L. Avsiyan in OpenAIREPorphyridium purpureum is a promising microalga species due to the content of various valuable compounds. In this study, specific irradiance parameter, representing the amount of light energy per unit of microalgae biomass, was introduced. The growth characteristics and pigments and protein accumulation of P. purpureum culture were investigated under semi-continuous mode. Varying dilution rate and surface irradiance resulted in a specific irradiance of 0.2-6.7 W g-1. Using mathematical modeling, we determined the patterns of changes in biomass, pigments, protein content and productivity of P. purpureum culture depending on specific irradiance. The content of target compounds was maximized under the lowest level of specific irradiance (0.2-1.2 W g-1), while the highest productivity of this components was reached under 1.2-1.7 W g-1. Overall, lower irradiance levels were favorable for P. purpureum cultivation based on the energy consumption and production characteristics of this species.
7 citations 7 popularity Top 10% influence Average impulse Top 10% 
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