Antibacterial activity of Mallotus japonicus (L.F.) Müller Argoviensis on growth of Aeromonas hydrophila, A. salmonicida, Edwardsiella tarda and Vibrio anguillarum.

Autor: Appiah EK; Laboratory of Aquatic Ecology, Department of Bioresource Science, Graduate school of Integrated Sciences for Life, Hiroshima University, Higashi Hiroshima City, Hiroshima, Japan., Hashem S; Department of Aquaculture, Bangladesh Agricultural University, Mymensingh, Bangladesh., Fatsi PSK; Laboratory of Aquatic Ecology, Department of Bioresource Science, Graduate school of Integrated Sciences for Life, Hiroshima University, Higashi Hiroshima City, Hiroshima, Japan., Tettey PA; Laboratory of Aquatic Ecology, Department of Bioresource Science, Graduate school of Integrated Sciences for Life, Hiroshima University, Higashi Hiroshima City, Hiroshima, Japan., Saito H; Laboratory of Aquatic Ecology, Department of Bioresource Science, Graduate school of Integrated Sciences for Life, Hiroshima University, Higashi Hiroshima City, Hiroshima, Japan., Omura M; Alps Pharmacuticals Co. Ltd., Osaka City, Osaka, Japan., Kawai K; Laboratory of Aquatic Ecology, Department of Bioresource Science, Graduate school of Integrated Sciences for Life, Hiroshima University, Higashi Hiroshima City, Hiroshima, Japan.
Jazyk: angličtina
Zdroj: Journal of applied microbiology [J Appl Microbiol] 2022 Jan; Vol. 132 (1), pp. 298-310. Date of Electronic Publication: 2021 Aug 08.
DOI: 10.1111/jam.15198
Abstrakt: Aims: The present study evaluated the antimicrobial activities of the medicinal plant Mallotus japonicus against the fish pathogenic bacteria, Aeromonas hydrophila, Aeromonas salmonicida, Edwardisella tarda and Vibrio anguillarum, and also describes the antimicrobial activities of the major and minor active compounds present within the plant extract. The synergistic effects by way of combination of these compounds were also evaluated and described. Chemical constituents of the plant extracts were analysed using the liquid chromatography-mass spectrometry (LC-MS) and described.
Methods and Results: The diethyl ether-extract of the plant elicited the strongest antibacterial activity against the challenged bacterial species, followed by ethanol- and methanol-extracts. The major active compound of the extracts, bergenin, demonstrated no antibacterial activity, but other compounds in the extracts did.
Conclusion: Mallotus japonicus could be used as a prophylaxis to treat bacterial disease infections of fishes and its diethyl ether-extract has the potential of an alternative to antibiotic treatment in aquaculture.
Significance and Impact of the Study: Mallotus japonicus diethyl ether-extract has the potential of an alternative to antibiotic treatment in aquaculture.
(© 2021 The Society for Applied Microbiology.)
Databáze: MEDLINE
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