Abstract
In this study, the effects of different media and natural mineral waters on thegrowth dynamics of Scenedesmus obliquus (Turpin) Kützing were investigated.S. obliquus strains were isolated from various freshwater wells and pools inAnkara, Turkey. In the production of three S. obliquus strains, both four culturemedium and four natural mineral waters were used. Cell density, dry weight,specific growth rates, duplication time and chlorophyll-a of the cultures werecalculated. The results showed that the different culture media and natural mineralwaters significantly affected the final cell density, biomass and growth rates ofstrains. In three isolates, there was a significant difference in ScnGP strain interms of cell density, biomass weight and specific growth rate compared to others.Cell density (7.4x104±1.3x103cells/mL), biomass amount (0.212±0.032g/mL),specific growth rate (0.024 h-1) and chlorophyll-a (1.71±0.22μg/mL) of ScnGPgrown in Bold Wynne medium were significantly (P<0.05) higher than that ofgrown in all other treatments. It has been determined that the results obtained fromnatural mineral waters were as good as the results obtained from culture media. Itcan be thought that various chemical compounds and reproductive factors can beadded to increase the production within the natural mineral waters.
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