In vitro antifungal activity of aqueous extract and essential oil of African basil (Ocimum gratissimum L.)

Food Chemistry, Engineering, Processing and Packaging Food Microbiology, Safety and Toxicology
DOI https://doi.org/10.51745/najfnr.7.16.136-145
Issue Vol. 7 No. 16 (2023): July - December, 2023
Submitted 2023-06-20
Accepted 2023-12-02
Published 2023-12-08

Copyright © 2023 Amenan Fanny Akpo, Yardjouma Silué, Charlemagne Nindjin, Kablan Tano, Kohi Alfred Kouamé, Fabrice Achille Tetchi, Felicie Lopez-Lauri

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Background: Fruit and vegetables are threatened by several diseases. These diseases are mainly treated with chemicals representing a real danger to human health and the environment. Aims: This study aims to develop safe and non-polluting alternatives such as medicinal plants to control fungal phytopathogens. Material and Methods: In the present study, the aqueous extract and essential oil of the medicinal plant Ocimum gratissimum L. were tested in vitro against Botrytis cinerea, Colletotrichum gloeosporioides and Fusarium oxysporum. Results: The results show that the essential oil of Ocimum gratissimum L. has significant antifungal activity on the studied strains. It inhibits completely the growth of Botrytis cinerea and Colletotrichum gloeosporioides from the concentration of 500 ppm. While at least 750 ppm is required for complete inhibition of the growth of Fusarium oxysporum. Regarding the aqueous extract, total inhibition has been observed at the 60% concentration for Botrytis cinerea and Colletotrichum gloeosporioides. However, no concentration of aqueous extract completely inhibited the growth of Fusarium oxysporum. Conclusion: This study can be a starting point for research on a promising solution using the essential oil and aqueous extract of O. gratissimum L. as alternatives to chemicals to manage anthracnose (caused by C. gloeosporioides) and gray mold (caused by B. cinerea).

  • Amenan Fanny Akpo
    Avignon University, F-84916 Avignon, France / Department of Agricultural Sciences, Laboratory of Fruit and Vegetable Physiology (EA4279), Swiss Center for Scientific Research in Côte d’Ivoire, Nangui Abrogoua University, Abidjan
  • Yardjouma Silué
    Avignon University, F-84916 Avignon, France / Department of Agricultural Sciences, Laboratory of Fruit and Vegetable Physiology (EA4279), Swiss Center for Scientific Research in Côte d’Ivoire, Nangui Abrogoua University, Abidjan
  • Charlemagne Nindjin
    Swiss Center for Scientific Research in Côte d’Ivoire, Nangui Abrogoua University, Abidjan
  • Kablan Tano
    Nangui Abrogoua University, Abidjan
  • Kohi Alfred Kouamé
    Swiss Center for Scientific Research in Côte d’Ivoire, Nangui Abrogoua University, Abidjan
  • Fabrice Achille Tetchi
    Nangui Abrogoua University, Abidjan
  • Felicie Lopez-Lauri
    Avignon University, F-84916 Avignon, France / Department of Agricultural Sciences, Laboratory of Fruit and Vegetable Physiology (EA4279)

How to Cite

In vitro antifungal activity of aqueous extract and essential oil of African basil (Ocimum gratissimum L.). (2023). The North African Journal of Food and Nutrition Research, 7(16), 136-145. https://doi.org/10.51745/najfnr.7.16.136-145
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