Growth kinetics and quantification of carbohydrate, protein, lipids, and chlorophyll of Spirulina platensis under aqueous conditions using different carbon and nitrogen sources

Gilver Rosero-Chasoy, Rosa M. Rodríguez-Jasso, Cristóbal N. Aguilar, Germán Buitrón, Isaac Chairez, Héctor A. Ruiz

Research output: Contribution to journalArticlepeer-review

2 Scopus citations

Abstract

This study evaluated different carbon and nitrogen sources on the growth and production of carbohydrates, protein, lipids, and chlorophyll of Spirulina platensis LEB-52 through an easy successive methodology under aqueous conditions. Spirulina platensis was cultivated at 120 rpm and light intensity of 156 µmol m−2 s−1 in a 500 mL Erlenmeyer flask with a working volume of 250 mL, using Zarrouk's medium. The biomass, carbohydrate, and protein production together with the specific growth rate did not show a significant difference between NaHCO3 and Na2CO3. The salts of urea and ammonium are not an alternative nitrogen sources of low cost for Spirulina platensis cultivation. From the experimental results obtained in this study, a successful estimate of carbohydrate, protein, lipids, and chlorophyll content inside Spirulina platensis was achieved without use advanced analytical techniques, allowing saves resources and time. This method can be extrapolated to other microorganisms and cultivation regimens.

Original languageEnglish
Article number126456
JournalBioresource Technology
Volume346
DOIs
StatePublished - Feb 2022

Keywords

  • Bioeconomy
  • Biorefinery
  • Cyanobacteria
  • Microalgae
  • Wastewaters

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