Applied Microbiology and Biotechnology

, Volume 24, Issue 1, pp 47–50 | Cite as

Outdoor mass culture of Spirulina maxima in sea-water

  • Mario R. Tredici
  • Teresa Papuzzo
  • Luisa Tomaselli
Biotechnology

Summary

The results of a whole year experiment on the outdoor mass culture of Spirulina maxima strain 4Mx on fertilized sea-water are reported. Carbonate and phosphate precipitation in the sea-water media was prevented by maintaining a low concentration of phosphate and by controlling the pH in the range of 8.0–8.3. The mean annual yield of biomass on sea-water plus urea as nitrogen source was 7.35 g (dry weight) m-2· day-1, a value slightly lower than that obtained on the standard bicarbonate medium (8.14 g · m-2 · day-1). On sea-water plus nitrate the yield was only 5.2 g·m-2·day-1. The nitrogen content of the biomass was higher in summer and lower in winter. The seasonal effect was more evident when nitrate was the nitrogen source.

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Copyright information

© Springer-Verlag 1986

Authors and Affiliations

  • Mario R. Tredici
    • 1
    • 2
  • Teresa Papuzzo
    • 1
    • 2
  • Luisa Tomaselli
    • 1
    • 2
  1. 1.Centro di Studio dei Microrganismi Autotrofi del C.N.R.Università di FirenzeFirenzeItaly
  2. 2.Istituto di Microbiologia agraria e tecnicaUniversità di FirenzeFirenzeItaly

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