Cultivo da microalga spirulina platensis em fontes alternativas de nutrientes

Andrade, Michele da Rosa; Costa, Jorge Alberto Vieira

doi:10.1590/s1413-70542008000500029

Cited by 30 publications

(21 citation statements)

References 17 publications

(14 reference statements)

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“…The maximum biomass concentrations ( X max ) were 1.85 ± 0.02 g/L reached on the 30 th d for 20 % ZM, and 3.55 ± 0.06 g/L reached on the 77 th d for 100 % ZM. For the cultivation of Spirulina platensis LEB‐52 in 20 % ZM, X max values of 1.44 g/L and 1.94 g/L have been reported.…”

Section: Resultsmentioning

confidence: 99%

Simultaneous production of phycobiliproteins and carbonic anhydrase by Spirulina platensis LEB‐52

et al. 2018

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The simultaneous production of carbonic anhydrase and the phycobiliproteins, C-phycocyanin and allophycocyanin, was evaluated during the cultivation of Spirulina platensis using Zarrouk's medium in its non-diluted (100 % ZM) and diluted to 20 % (v/v) (20 % ZM) forms. In both media, Spirulina simultaneously produced carbonic anhydrase and phycobiliproteins. For the phycobiliproteins' production, higher concentrations (mg/g) of C-phycocyanin and allophycocyanin were obtained when 100 % ZM was used. For carbonic anhydrase production, higher concentrations (U/g) were obtained on the 6 th day of cultivation in both culture media. 100 % ZM promoted greater productions of these bioproducts, and, for simultaneous obtainment, the cells should be harvested after 21 days, obtaining concentrations of 137.4 mg/g C-phycocyanin, 104.4 mg/g allophycocyanin, and 26.6 U/g carbonic anhydrase.

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Section: Resultsmentioning

confidence: 99%

Simultaneous production of phycobiliproteins and carbonic anhydrase by Spirulina platensis LEB‐52

et al. 2018

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“…Zarrouk is the standard culture medium used for cyanobacterium Arthrospira platensis. Some examples of an alternative means of cultivation are the replacement of sodium nitrate with other sources of nitrogen such as urea and/or potassium nitrate (Godoy Danesi et al, 2011), addition of organic substrates (Andrade & Costa, 2009), use of fertilizers or seawater with and without enrichment of NaHCD 3 and NaND 3 (Gami et al, 2011), and use of swine wastewater (Mezzomo et al, 2010).…”

Section: Introductionmentioning

confidence: 99%

Biomass production by Arthrospira platensis under different culture conditions

Castro¹,

Rizzo²,

Passos³

et al. 2015

Food Sci. Technol (Campinas)

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In biotechnological processes, the culture media components are responsible for high costs and exert a strong influence on the cyanobacteria behavior. The objective of this study was to evaluate the Arthrospira platensis growth potential for biomass production under different cultivation conditions using an experimental design. Three factors that are important for cyanobacteria growth were evaluated: sodium bicarbonate (9 to 18 g/l), sodium nitrate (1.25 to 2.5 g/l), and irradiance (20 to 120 µmol photons/ m 2 .s -1). The results showed that the concentration of NaND 3 in the A. platensis medium can be reduced, resulting in increased concentrations of biomass produced. There was a higher biomass production due to the increase in the concentration of NaHCD 3 and irradiance, mainly when these two factors varied tending towards the highest values studied. The results demonstrate the potential to produce Arthrospira platensis with lower costs and effluent generation without affecting cultivation performance.

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“…The pH of cultures ranged from 9.63 to 10.15, a range that is deemed appropriate for the cultivation of Spirulina platensis, offering the ideal conditions for its growth (Andrade and Costa 2008). Figure 1 shows the growth curves for the microalga as a function of time.…”

Section: Influence Of Chromium Addition On Microalga Growthmentioning

confidence: 99%

Potential of LiveSpirulina platensison Biosorption of Hexavalent Chromium and Its Conversion to Trivalent Chromium

Colla

Dal'Magro

Rossi

et al. 2014

International Journal of Phytoremediation

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Microalga biomass has been described worldwide according their capacity to realize biosorption of toxic metals. Chromium is one of the most toxic metals that could contaminate superficial and underground water. Considering the importance of Spirulina biomass in production of supplements for humans and for animal feed we assessed the biosorption of hexavalent chromium by living Spirulina platensis and its capacity to convert hexavalent chromium to trivalent chromium, less toxic, through its metabolism during growth. The active biomass was grown in Zarrouk medium diluted to 50% with distilled water, keeping the experiments under controlled conditions of aeration, temperature of 30°C and lighting of 1,800 lux. Hexavalent chromium was added using a potassium dichromate solution in fed-batch mode with the aim of evaluate the effect of several additions contaminant in the kinetic parameters of the culture. Cell growth was affected by the presence of chromium added at the beginning of cultures, and the best growth rates were obtained at lower metal concentrations in the medium. The biomass removed until 65.2% of hexavalent chromium added to the media, being 90.4% converted into trivalent chromium in the media and 9.6% retained in the biomass as trivalent chromium (0.931 mg.g(-1)).

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Cultivo da microalga spirulina platensis em fontes alternativas de nutrientes

Cited by 30 publications

References 17 publications

Simultaneous production of phycobiliproteins and carbonic anhydrase by Spirulina platensis LEB‐52

Simultaneous production of phycobiliproteins and carbonic anhydrase by Spirulina platensis LEB‐52

Biomass production by Arthrospira platensis under different culture conditions

Potential of LiveSpirulina platensison Biosorption of Hexavalent Chromium and Its Conversion to Trivalent Chromium

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