Antifungal Activity of Cyperus articulatus, Cyperus rotundus and Lippia alba Essential Oils against Aspergillus flavus Isolated from Peanut Seeds-Reference-Cited by-同舟云学术

Antifungal Activity of Cyperus articulatus, Cyperus rotundus and Lippia alba Essential Oils against Aspergillus flavus Isolated from Peanut Seeds

Published:2024-08-21 Issue:8 Volume:10 Page:591
ISSN:2309-608X
Container-title:Journal of Fungi
language:en
Short-container-title:JoF

Author:

Sabaly Safietou¹,Tine Yoro²,Diallo Alioune²³,Faye Abdoulaye¹,Cisse Mouhamed¹,Ndiaye Abdoulaye¹,Sambou Cebastiana¹,Gaye Cheikhouna²,Wele Alassane²,Paolini Julien³,Costa Jean³,Kane Aboubacry⁴,Ngom Saliou¹

Affiliation:

1. Direction de la Protection des Végétaux (DPV), Thiaroye BP 0054, Senegal

2. Laboratoire de Chimie Organique et Thérapeutique, Faculté de Médecine, Pharmacie et Odontologie, Université Cheikh Anta Diop, Dakar-Fann BP 5005, Senegal

3. Laboratoire Chimie des Produits Naturels, UMR CNRS 6134 Sciences Pour l’Environnement, Université de Corse, BP 52, 20250 Corte, France

4. Département de Biologie Végétale, Faculté des Sciences et Techniques, Université Cheikh Anta Diop de Dakar (UCAD), Dakar-Fann BP 5005, Senegal

Abstract

Aspergillus flavus is a cosmopolitan saprophytic fungus that infests several foodstuffs and is associated with adverse effects in humans. In Senegal, significant losses of groundnut production are mainly due to contamination caused by this species. This study evaluated in vitro antifungal activities of Cyperus articulatus, Cyperus rotundus and Lippia alba essential oils against A. flavus isolated from peanut seeds. Essential oils obtained by hydrodistillation of rhizomes of the two Cyperus species and leaves of L. alba were analyzed with GC-DIF and GC-MS. The essential oil yields from C. articulatus, C. rotundus and L. alba were 1.1%, 1.3% and 1.7%, respectively. These three samples had the following chemotypes: (i) mustakone (21.4%)/eudesma-4(15)-7-dien-1β-ol (8.8%)/caryophyllene oxide (5.9%), (ii) caryophyllene oxide (25.2%)/humulene epoxyde 2 (35.0%) and (iii) geranial (46.6%)/neral (34.6%). The three oils tested inhibited the growth of A. flavus at concentrations between 100 and 1000 ppm. The L. alba oil was the most effective with total clearance of A. flavus on PDA. For the essential oils of C. rotundus (93.65%) and C. articulatus (78.11%), the highest inhibition rates were obtained with a 1000 ppm dose. Thus, L. alba oil could be used safely as an effective protector of groundnuts against A. flavus.

Publisher

MDPI AG

Link

https://www.mdpi.com/2309-608X/10/8/591/pdf

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