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Articles by B. Vasanthi
Total Records ( 2 ) for B. Vasanthi
  P. Soundarapandian and B. Vasanthi
  The micro alga, Spirulina is a rich source of protein, which is used as a protein supplement for humans, chicks and also in aquaculture. Among the cultures, CS-1 registered maximum biomass production and S-20 showed highest biomass production among the local isolates. Optimum temperature of 35°C was the best for maximum biomass production of S. platensis cultures. Among the cultures CS-1 culture, put forth maximum biomass production at 35°C. The biomass production of all S. platensis cultures was maximum at pH 10.0. Among the cultures, CS-1 recorded maximum biomass at pH 10.0. S. platensis culture S-20 showed highest biomass production among the local isolates. S. platensis cultures were grown under different light wave lengths ranging from 340-700 nm and observed that it grows best in red light but later on there was no significant difference between the biomass produced under red and normal white lights. S. platensis culture CS-1 has shown the highest chlorophyll, carotenoids and phycocyanin and protein contents. When the extracted protein was resolved on a 15% SDS-PAGE gel, the cultures have polypeptide subunits ranging from the molecular weights 20 to 95 kDa. The liquid nitrogen method was found to be the best by extraction higher quantity of phycocyanin from all S. platensis cultures. Among the cultures, S. platensis culture CS-1 recorded the highest phycocyanin content and among the local isolates SM-2 showed the highest pigment content. SDS-PAGE analysis of phycocyanin pigment revealed two characteristic bands with a molecular weights of 14.3 and 20.1 kDa approximately for α and β subunits.
  P. Soundarapandian and B. Vasanthi
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