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Published on: July 10, 2015
Effect of salinity on growth of green alga Botryococcus braunii and its constituents
A Ranga Rao1, C Dayananda, R Sarada
1Plant Cell Biotechnology Department, Central Food Technological Research Institute, Mysore 570 020, India.
Abstract:
Growth of Botryococcus braunii (race 'A') and production of its constituents viz, hydrocarbon, carbohydrate, fatty acid, and carotenoids were influenced by different levels of salinity. Under salinity at 34 mM and 85 mM, 1.7-2.25-fold increase in the relative proportion of palmitic acid and two fold increase in oleic acid were observed. A twofold increase in carotenoid content was noticed at 85 mM salinity with lutein (75% of total carotenoid) as the major carotenoid followed by beta-carotene. The increase in biomass yields and changes in other constituents indicated the influence of salinity and the organism's adaptability to the tested levels of salinity (17 mM to 85 mM).
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