Abstract
Growth and extracellular polysaccharide production byPorphyridium cruentum were measured as a function of several culture parameters. Photon flux density of 75 μmol m−2 s−1 and CO2 concentration of 2.5% were found to be optimum for both growth and extracellular polysaccharide production. Interactive studies on these two parameters further confirmed that at these levels of photon flux density and CO2, when applied together, both growth (5.9·107 cells per mL) and extracellular polysaccharide production (1.9 g/L) were at the maximum. Maximum growth and extracellular polysaccharide production were observed at inoculum density of 106 cells per mL and aeration rate of 500 mL air per min per liter.
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Abbreviations
- EP:
-
extracellular polysaccharide
- PFD:
-
photon flux density
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Iqbal, M., Zafar, S.I. Effects of photon flux density, CO2, aeration rate, and inoculum density on growth and extracellular polysaccharide production byPorphyridium cruentum . Folia Microbiol 38, 509–514 (1993). https://doi.org/10.1007/BF02814405
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DOI: https://doi.org/10.1007/BF02814405