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 پایگاه استنادی علوم جهان اسلام (ISC)

پایگاه اطلاعات جهاد دانشگاهی (SID) 



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:: Volume 19, Issue 6 (2020) ::
IJFS 2020, 19 Back to browse issues page
Research Article: Optimization of production and antioxidant activity of fucoxanthin from marine haptophyte algae, Isochrysis galbana
R. Mousavi Nadushan * , I. Hosseinzade
Department of Marine Biology, Tehran North Branch, Islamic Azad University, Tehran, Iran. , mousavi.nadushan@gmail.com
Abstract:   (2512 Views)
This study compared the biomass production, fucoxanthin production and antioxidant capacity of the fucoxanthin from the marine haptophyte algae, Isochrysis galbana under different nitrogen concentrations. At first step in the salinity test, I. galbana could grow in 20‰ and 35‰ but the 35‰ salinity was optimal. At second step, five different nitrogen concentrations (N-NO3) of 2, 4, 8, 12 12 mM, at the salinity of 35‰, were investigated. Algal cell density increased as nitrogen concentrations increased, but a low growth rate occurred in the culture with the highest nitrogen concentration (12 mM). The maximum cell density of 72×  and the maximum amount of fucoxanthin (18.1 mg g-1) was obtained in I. galbana cultured in media containing four mM nitrogen (N-NO3). The purified fucoxanthin exhibited strong antioxidant properties, with the effective concentration for 50% scavenging (EC50) of 1, 1-dihpenyl-2-picrylhydrazyl (DPPH) radical, being 0.2 mg/ml. This study suggests that the production and fucoxanthin concentration of I. galbana can be improved using nitrogen-replete culture in 35‰ salinity. Also under this condition this microalgaecan be a commercial source of fucoxanthin for human health and nutrition.
Keywords: Isochrysis galbana, Culture, Nitrogen replete, Salinity, Fucoxanthin.
Full-Text [PDF 416 kb]   (1143 Downloads)    
Type of Study: Orginal research papers | Subject: aquaculture
Received: 2017/10/2 | Accepted: 2017/12/13 | Published: 2020/11/20
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Mousavi Nadushan R, Hosseinzade I. Research Article: Optimization of production and antioxidant activity of fucoxanthin from marine haptophyte algae, Isochrysis galbana. IJFS 2020; 19 (6) :2901-2908
URL: http://jifro.ir/article-1-2944-en.html


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Volume 19, Issue 6 (2020) Back to browse issues page
Iranian Journal of Fisheries Sciences Iranian Journal of Fisheries Sciences
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