'' '' '' '' '' Chemical Composition and Antifungal Potential of the Essential Oils of <em>Ocimum gratissimum L, Ocimum suave L</em>, <em>Aframomum alboviolaceum Ridley</em> and <em>Zingiber officinale Roscoe</em> against Two Molds associated with to the Alteration of Smoked Fish <em>Ethmalosa fimbriata </em>Bowdich
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National Academy of Agricultural Sciences (NAAS)
NAAS Score: *5.38 (2020)
[Effective from January 1, 2020]
For more details click here

ICV 2019: 96.39
Index Copernicus ICI Journals Master List 2019 - IJCMAS--ICV 2019: 96.39
For more details click here

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Original Research Articles                      Volume : 11, Issue:3, March, 2022

PRINT ISSN : 2319-7692
Online ISSN : 2319-7706
Issues : 12 per year
Publisher : Excellent Publishers
Email : editorijcmas@gmail.com / submit@ijcmas.com
Editor-in-chief: Dr.M.Prakash
Index Copernicus ICV 2018: 95.39
NAAS RATING 2020: 5.38

Int.J.Curr.Microbiol.App.Sci.2022.11(3): 318-330
DOI: https://doi.org/10.20546/ijcmas.2022.1103.035


Chemical Composition and Antifungal Potential of the Essential Oils of Ocimum gratissimum L, Ocimum suave L, Aframomum alboviolaceum Ridley and Zingiber officinale Roscoe against Two Molds associated with to the Alteration of Smoked Fish Ethmalosa fimbriata Bowdich
Tchabong Sammuel Raymond1*, Djopnang Djiembie Justin1, Pahane Mbiada Majeste1, Yelengwe Ndjamou Théophile Collins1, Fokom Raymond1, Ngo Oum Thérèse1, Sameza Modeste Lambert2, Tchameni Nguemezi Severin2, Mounbain Francis2, Jazet Dogmo Pierre Michel2 and Tchoumbougnang François1*
1Institut of Fischeries and Aquatic Sciences, University of Douala, P.O. Box 7236 Douala, Cameroon
2Laboratory of Biochemistry, Faculty of Science, University of Douala, P.O. Box 24157 Douala Cameroon
*Corresponding author
Abstract:

This study aimed at analyzing the chemical composition of the essential oils of Ocimum gratissimum, Ocimum suave, Aframomum alboviolaceum Ridley and Zingiber officinale Roscoe, and evaluate their antifungal activities. Hydrodistillation with a Clevenger type apparatus was used for the extraction of essential oils from plant materials. Gas chromatography and gas chromatography coupled with Mass Spectrometry were utilized to identify the chemicals. The antifungal activity of the essential oils was tested in vitro against Aspergillus flavus and Aspergillus niger. For O. gratissimum the major components identified were thymol (31.71%), p-cymene (17.86%) and γ-Terpinene (5.90%). For A. alboviolaceum, 1.8-Cineole (58.90%), α-Terpinyl acetate (9.58%) and α-pinene (4.86%) were found, while geranial (34%), neral (23.79%) and borneol (9.04%) were identified in the volatile extract of Z. officinale. The essence of O. suave had benzene, 1.2.4-trimethoxy-5- (1-propenyl) - (Z) (22.79%); β-bisabolene (19.10%) and spathulenol (18.69%) as the major compounds. Total inhibition of Aspergillus flavus and Aspergillus niger by the essential oil of O. gratissimum L. was observed at 5500 ppm and 4750 ppm, respectively. The presence of compounds such as methyl eugenol, thymol and carvacrol, which have previously demonstrated antimicrobial properties could explainthe effect of O. gratissimum L. The essential oil of Z. officinale totally inhibited Aspergillus flavus and Aspergillus niger at 5000ppm and 4500ppm. Z. officinale's action could be linked with the presence of compounds such as geranial, neral, α-pinene and 1.8-cineole. The antifungal activities of the essential oils of O. gratissimum and Z. officinale stronger than those of O. suave and A. alboviolaceum. The inhibition of mycelia growth of the fungus was significantly (p <0.05) positively correlated with the essential oil concentrations. These essential oils could be a promising alternative as biofungicides for the post-smoking conservation of fish.


Keywords: Ethmalosa fimbriata, Aspergillus flavus, Aspergillus niger, Essential oil, Antifungal potential
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How to cite this article:

Tchabong Sammuel Raymond, DjopnangDjiembie Justin, PahaneMbiada Majeste, Yelengwe Ndjamou Théophile Collins, Fokom Raymond, Ngo Oum Thérèse, Sameza Modeste Lambert, Tchameni Nguemezi Severin, Mounbain Francis, Jazet Dogmo Pierre Michel and Tchoumbougnang François. 2022. Chemical Composition and Antifungal Potential of the Essential Oils of Ocimum gratissimum L, Ocimum suave L, Aframomum alboviolaceum Ridley and Zingiber officinale Roscoe against Two Molds associated with to the Alteration of Smoked Fish Ethmalosa fimbriata Bowdich.Int.J.Curr.Microbiol.App.Sci. 11(3): 318-330. doi: https://doi.org/10.20546/ijcmas.2022.1103.035
Copyright: This is an Open Access article distributed under the terms of the Creative Commons Attribution-NonCommercial-ShareAlike license.