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Cultivation of Arthrospira (spirulina) platensis in desalinator wastewater and salinated synthetic medium: protein content and amino-acid profile.

Authors
  • Volkmann, Harriet
  • Imianovsky, Ulisses
  • Oliveira, Jorge L B
  • Sant'anna, Ernani S
Type
Published Article
Journal
Brazilian Journal of Microbiology
Publisher
Elsevier
Publication Date
Jan 01, 2008
Volume
39
Issue
1
Pages
98–101
Identifiers
DOI: 10.1590/S1517-838220080001000022
PMID: 24031187
Source
Medline
Keywords
License
Unknown

Abstract

Arthrospira (Spirulina) platensis was cultivated in laboratory under controlled conditions (30°C, photoperiod of 12 hours light/dark provided by fluorescent lamps at a light intensity of 140 μmol photons.m(-2).s(-1) and constant bubbling air) in three different culture media: (1) Paoletti medium (control), (2) Paoletti supplemented with 1 g.L(-1) NaCl (salinated water) and (3) Paoletti medium prepared with desalinator wastewater. The effects of these treatments on growth, protein content and amino acid profile were measured. Maximum cell concentrations observed in Paoletti medium, Paoletti supplemented with salinated water or with desalinator wastewater were 2.587, 3.545 and 4.954 g.L(-1), respectively. Biomass in medium 3 presented the highest protein content (56.17%), while biomass in medium 2 presented 48.59% protein. All essential amino acids, except lysine and tryptophan, were found in concentrations higher than those requiried by FAO.

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