African Journal of
Biochemistry Research

  • Abbreviation: Afr. J. Biochem. Res.
  • Language: English
  • ISSN: 1996-0778
  • DOI: 10.5897/AJBR
  • Start Year: 2007
  • Published Articles: 425

Full Length Research Paper

Physicochemical parameters of Blighia sapida (K.D. Koenig) oil extracted in Togo

Aklesso Nabede
  • Aklesso Nabede
  • Laboratory of Applied Agronomic and Biological Sciences, Faculty of Sciences and Technology, University of Kara, Togo.
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Haziz Sina
  • Haziz Sina
  • Laboratory of Biology and Molecular Typing in Microbiology, Department of Biochemistry and Cell Biology, University of Abomey-Calavi, Benin.
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Tiatou Souho
  • Tiatou Souho
  • Laboratory of Applied Agronomic and Biological Sciences, Faculty of Sciences and Technology, University of Kara, Togo.
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Mamatchi Mélila
  • Mamatchi Mélila
  • Faculty of Sciences (FDS), University of Lomé, 01Post Box 1515 Lomé 01, Togo.
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Farid T. Bade
  • Farid T. Bade
  • Laboratory of Biology and Molecular Typing in Microbiology, Department of Biochemistry and Cell Biology, University of Abomey-Calavi, Benin.
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Adolphe Adjanohoun
  • Adolphe Adjanohoun
  • Benin National Institute of Agricultural Research, Benin.
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Batcha Ouadja
  • Batcha Ouadja
  • Laboratory of Applied Agronomic and Biological Sciences, Faculty of Sciences and Technology, University of Kara, Togo.
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Lamine Baba-Moussa
  • Lamine Baba-Moussa
  • Laboratory of Biology and Molecular Typing in Microbiology, Department of Biochemistry and Cell Biology, University of Abomey-Calavi, Benin.
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Kou’santa Amouzou
  • Kou’santa Amouzou
  • Laboratory of Applied Agronomic and Biological Sciences, Faculty of Sciences and Technology, University of Kara, Togo.
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  •  Received: 12 August 2022
  •  Accepted: 02 November 2022
  •  Published: 30 November 2022

Abstract

Oils extracted from Blighia sapida fruits are usually consumed without any information on its chemical composition. However the bad quality of oil can be a source of toxicity. Thus, the aim of this study is to investigate the physicochemical quality of the oil extracted from B. sapida from Togolese flora. To reach the goal of the study, mature and immature of B. sapida arils were used for oil extraction by the solvent method using hexane. The physicochemical parameters including density, acid value, saponification value, ester value, iodine value and impurity content were determined according to the French Association for Standardization (AFNOR) standards. The results of the extraction yields were 41.7% (immature arils) and 48.8% (mature arils). The mature arils oil had acid value of (7.013 mg of KOH/g), saponification (195.17 mg of KOH/g), iodine (87 g I2/100 g) and ester (188.157 mg of KOH/g) values were different for those of the immature arils’ which were 30.86 mg of KOH/g (acid value), 191.68 mg of KOH/g (saponification value), 85 g I2/100 g (iodine value) and 160.82 mg of KOH/g (ester value). The densities were 0.916 g/cm3 (mature) and 0.77 g/cm3 (immature) while the impurity content was 3.4% (mature) and 16.1% (immature). The effect of heating the oils resulted in very high values of the physicochemical parameters. The results obtained deduce that this oil meets the Codex Alimentarius standard.

 

Key words: Blighia sapida oil, physicochemical parameters, extraction, frying, Togo.

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

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