Effect of temperature on yield and night biomass loss in Spirulina platensis grown outdoors in tubular photobioreactors
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Outdoor experiments carried out in Florence, Italy (latitude 43.8° N, longitude 11.3° E), using tubular photobioreactors have shown that in summer the average net productivity of a Spirulina platensis culture grown at the optimal temperature of 35 °C was superior by 23% to that observed in a culture grown at 25 °C. The rates of night biomass loss were higher in the culture grown at 25 °C (average 7.6% of total dry weight) than in the one grown at 35 °C (average 5%). Night biomass loss depended on the temperature and light irradiance at which the cultures were grown, since these factors influenced the biomass composition. A net increase in carbohydrate synthesis occurred when the culture was grown at a low biomass concentration under high light irradiance or at the suboptimal temperature of 25 °C. Excess carbohydrate synthesized during the day was only partially utilized for night protein synthesis.
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- Effect of temperature on yield and night biomass loss in Spirulina platensis grown outdoors in tubular photobioreactors
Journal of Applied Phycology
Volume 3, Issue 2 , pp 103-109
- Cover Date
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- Kluwer Academic Publishers
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- outdoor mass culture
- night biomass loss
- Industry Sectors
- Author Affiliations
- 1. Centro di Studio dei Microrganismi Autotrofi del CNR e Dipartimento di Scienze e Tecnologie Alimentari e Microbiologiche dell'Università di Firenze, Piazzale delle Cascine, 27 - 50144, Firenze, Italy
- 2. Microalgal Biotechnology Laboratory — The Jacob Blaustein Institute for Desert Research, Ben-Gurion University, Sede-Boqer Campus, 84990, Israel