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. 2017:2017:5671942.
doi: 10.1155/2017/5671942. Epub 2017 Jan 18.

Maize Fungal Growth Control with Scopoletin of Cassava Roots Produced in Benin

Rafiatou Ba  1 , Teou Alfa  2 , Fernand Gbaguidi  3 , Kosi Mawuéna Novidzro  4 , Kokouvi Dotse  4 , Koffi Koudouvo  4 , Ursula Houngue  3 , Marcel T Donou Hounsode  5 , Kossi Honoré Koumaglo  4 , Yaovi Ameyapoh  2 , Lamine Baba-Moussa  6
Affiliations

Maize Fungal Growth Control with Scopoletin of Cassava Roots Produced in Benin

Rafiatou Ba et al. Int J Microbiol. 2017.

Abstract

The chemical contamination of food is among the main public health issues in developing countries. With a view to find new natural bioactive products against fungi responsible for chemical contamination of staple food such as maize, the antifungal activity tests of scopoletin extracted from different components of the cassava root produced in Benin were carried out. The dosage of scopoletin from parts of the root (first skin, second skin, whole root, and flesh) was done by High Performance Liquid Chromatography. The scopoletin extract was used to assess the activity of 12 strains (11 strains of maize and a reference strain). The presence of scopoletin was revealed in all components of the cassava root. Scopoletin extracted from the first skin cassava root was the most active both as inhibition of sporulation (52.29 to 87.91%) and the mycelial growth (36.51-80.41%). Scopoletin extract from the cassava root skins showed significant inhibitory activity on the tested strains with fungicide concentration (MFC) between 0.0125 mg/mL and 0.1 mg/mL. The antifungal scopoletin extracted from the cassava root skins may be well beneficial for the fungal control of the storage of maize.

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Conflict of interest statement

The authors declare that there is no conflict of interests regarding the publication of this paper.

Figures

Figure 1
Figure 1
Different parts of cassava root.
Figure 2
Figure 2
Drying parts of cassava root in the sun on grid at room temperature (28°C ± 2).
Figure 3
Figure 3
Qualitative assessment of scopoletin in the cassava roots.
Figure 4
Figure 4
Inhibition percentages of mycelial growth and sporulation by Aspergillus.
Figure 5
Figure 5
Inhibition percentages of mycelial growth and sporulation by Fusarium.
Figure 6
Figure 6
Inhibition percentages of mycelial growth and sporulation by Penicillium.
See this image and copyright information in PMC

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