Production of Spirulina platensis Biomass Under Different Temperature and Nitrogen Regimes
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Date
2021-12
Journal Title
Journal ISSN
Volume Title
Publisher
Journal of Raw Materials to Processed Foods
Abstract
Spirulina is of the worldwide cultivated and consumed microalgae. It is generally
used directly or as an additive in the food industry due to its high protein content.
Besides the high protein content Spirulina biomass contain important fatty acids,
(e.g., GLA), vitamins, minerals, and some bioactive compounds, that are affected by
the parameters of biomass cultivation. In the presented study, the limitation of
nitrogen (25%, 50%, 75% and 100% N concentration) and temperature
fluctuations (25°C and 30°C) on Spirulina platensis growth parameters, biomass,
protein, total phenolic, total carotenoids and antioxidant capacity were investigated
and the production of Spirulina platensis was optimized in terms of biomass and
metabolites.While the amount of biomass increased in general with the increase in
temperature, dry weight decreased. The highest level of the protein accumulation
was determined at 30°C and Spirulina medium with 100% N concentration. Protein,
total phenolic substance, and total carotenoid amounts were found at the higher
level with the temperature increase to 30°C in all samples.