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Revista Colombiana de Biotecnología
versión impresa ISSN 0123-3475
Resumen
RIVERA-GONZALEZ, Massiel Vanesa; GOMEZ-GOMEZ, Liliana y CUBILLOS-HINOJOSA, Juan Guillermo. Effect of humic acids on the growth and the biochemical composition of Arthrospira platensis. Rev. colomb. biotecnol [online]. 2017, vol.19, n.1, pp.71-81. ISSN 0123-3475. https://doi.org/10.15446/rev.colomb.biote.v19n1.58316.
The purpose of this research was to evaluate the effect of three concentrations of humic acids (HA) 1, 10, 100 mg/L against a concentration of indole acetic acid (IAA) on production of biomass, pigments, proteins, carbohydrates and lipids of A. platensis. Cultures discontinuous in Zarrouk 25% medium supplemented with HA and IAA under conditions of aeration constant and photoperiod from 12:12 hours, during 30 days were made. It was found that the maximum biomass production was higher in the culture supplemented with 10 mg / L of AH, compared to the control and cultures supplemented with AIA. In the same way the highest production of pigments, proteins and carbohydrates were observed in this treatment. Therefore, the growth and production of metabolites of A. platensis was increased, which makes it possible to observe the potential use of these substances as organic biological stimulants.
Palabras clave : Biomass; indole acetic acid; cyanobacterium; pigments; solubilization.