African Journal of
Biotechnology

  • Abbreviation: Afr. J. Biotechnol.
  • Language: English
  • ISSN: 1684-5315
  • DOI: 10.5897/AJB
  • Start Year: 2002
  • Published Articles: 12508

Full Length Research Paper

The effects of nitrogen and phosphorus deficiencies and nitrite addition on the lipid content of Chlorella vulgaris (Chlorophyceae)

  Yasemin Bulut Mutlu1, Oya Işık1*, Leyla Uslu1, Kemal Koç2 and YaÅŸar Durmaz3  
  1Faculty of Fisheries, Çukurova University, Balcali, 01330 Adana, Turkey. 2Faculty of Education, BaÅŸkent University, Ankara, Turkey. 3Faculty of Fisheries, Ege University, Bornova, 35100 Izmir, Turkey.
Email: E-mail:[email protected]

  •  Accepted: 13 December 2010
  •  Published: 17 January 2011

Abstract

 

The effect of 50% N, 100% N, 50% N plus 50% P and 50% P deficiencies and nitrite addition were treated on Chlorella vulgaris (Chlorophyceae) was studied in laboratory conditions with the aim to determine the effects of the deficient nutrient and different nitrogen sources on lipid and protein contents. Protein and lipid values of the biomass were found as 50.8 and 12.29% for the control group, 20.3 and 17.5% for 50% N(-), 13.01 and 35.6% for 100% N(-), 21.37 and 20.5% for 50% N(-) and 50% P(-), 38.16 and 16.7% for 50% P(-) and 41.03 and 13.04% for the nitrite group that was added. The highest lipid content was recorded with the culture to which 100% N(-) was treated with 0.18 g/L dry-weight.

 

Key words: Chlorella vulgaris, lipid, nitrogen and phosphorus deficiencies, nitrite.

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This article is published under the terms of the Creative Commons Attribution License 4.0

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