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| Abomohra,Abo El-Fatah; El-Shouny,Wagih; Sharaf,Mona; Abo-Eleneen,Mai. |
| This work aimed to study the influence of gamma radiation on the growth and production of some active substances of Arthrospira platensis. Biomass production was significantly inhibited (p ≤ 0.05) by 21 and 34%, with respect to the control at 2.0 and 2.5 kGy, respectively. Chlorophyll-a content showed 11% reduction at 2.5 kGy compared to the control. As a result of growth and Chl-a inhibition, chlorophyll productivity recorded a continuous significant decrease below the control in the cells exposed to 1, 1.5, 2 and 2.5 kGy by 8, 12, 15 and 25%, respectively after 15 days of incubation. In addition, phycobillins productivity showed significant decrease by 10 and 36% below the control at 2 and 2.5 kGy of gamma radiation, respectively. Protein production... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Arthrospira platensis; Spirulina platensis; Gamma radiation; Metabolic activity; Nutritional value. |
| Ano: 2016 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132016000100409 |
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| Volkmann,Harriet; Imianovsky,Ulisses; Oliveira,Jorge L.B.; Sant'Anna,Ernani S.. |
| Arthrospira (Spirulina) platensis was cultivated in laboratory under controlled conditions (30ºC, 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... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Arthrospira platensis; Desalinator wastewater; Aminogram. |
| Ano: 2008 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1517-83822008000100022 |
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