African Journal of
Biotechnology

  • Abbreviation: Afr. J. Biotechnol.
  • Language: English
  • ISSN: 1684-5315
  • DOI: 10.5897/AJB
  • Start Year: 2002
  • Published Articles: 12448

Full Length Research Paper

Comparison of in vitro antioxidant activity of some selected seaweeds from Algerian West Coast

Hanane Oucif
  • Hanane Oucif
  • Laboratory of Aquaculture and Bioremediation, Department of Biotechnology, Faculty of Natural and Life Sciences (Campus I.G.M.O.), University of Oran 1 Ahmed Ben Bella, Oran 31000, Algeria.
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Rebiha Adjout
  • Rebiha Adjout
  • Laboratory of Aquaculture and Bioremediation, Department of Biotechnology, Faculty of Natural and Life Sciences (Campus I.G.M.O.), University of Oran 1 Ahmed Ben Bella, Oran 31000, Algeria.
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Rahma Sebahi
  • Rahma Sebahi
  • Laboratory of Aquaculture and Bioremediation, Department of Biotechnology, Faculty of Natural and Life Sciences (Campus I.G.M.O.), University of Oran 1 Ahmed Ben Bella, Oran 31000, Algeria.
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Farida Ouda Boukortt
  • Farida Ouda Boukortt
  • Laboratory of Clinical and Metabolic Nutrition, Faculty of Natural and Life Sciences, University of Oran 1 Ahmed Ben Bella, BP 1524 El M’Naouer, Oran 31000, Algeria.
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Smail Ali-Mehidi
  • Smail Ali-Mehidi
  • Laboratory of Aquaculture and Bioremediation, Department of Biotechnology, Faculty of Natural and Life Sciences (Campus I.G.M.O.), University of Oran 1 Ahmed Ben Bella, Oran 31000, Algeria.
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Sidi-Mohamed El-Amine Abi-Ayad
  • Sidi-Mohamed El-Amine Abi-Ayad
  • Laboratory of Aquaculture and Bioremediation, Department of Biotechnology, Faculty of Natural and Life Sciences (Campus I.G.M.O.), University of Oran 1 Ahmed Ben Bella, Oran 31000, Algeria.
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  •  Received: 22 April 2017
  •  Accepted: 14 June 2017
  •  Published: 28 June 2017

Abstract

In vitro antioxidant activity of methanolic (ME) and ethanolic (ET) extracts of six species of seaweeds (Cystoseira stricta, Cystoseira compressa, Corallina elongata, Porphyra umbilicalis, Enteromorpha compressa and Ulva lactuca) collected from Algerian West Coast was evaluated, using 1,1-diphenyl-2-picryl-hydrazyl (DPPH) radical scavenging assay and reducing power assay. They were tested for total phenolic content. The highest phenolic content was observed in C. compressa [10.24 ± 0.09 mg gallic acid equivalent (GAE) g-1 dry weight (DW) in ME extract and 15.70 ± 0.72 mg GAE g-1 DW in ET extract]. In general, the ET seaweed extracts were the most effective fractions. In addition, C. compressa and C. stricta extracts showed the highest antioxidant activity in all assays and better than vitamin E. However, these extracts present lower DPPH radical scavenging activity and reducing power than butylhydroxytoluene (BHT), except at concentration of 1 mg mL-1, in which it was similar. Therefore, C. compressa and C. stricta had a potential to be used as a natural antioxidant agent.

 

Key words: Algerian, antioxidant activity, 1,1-diphenyl-2-picryl-hydrazyl (DPPH) radical scavenging, reducing power, seaweed.

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

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