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Antibiotics
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Essential Oils in Clinical Practice——Infectious: From Vitro to Live
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Essential Oils in Clinical Practice——Infectious: From Vitro to Live

A special issue of Antibiotics (ISSN 2079-6382).

Deadline for manuscript submissions: closed (31 January 2021) | Viewed by 5139

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Research

16 pages, 298 KiB  
Article
Phytochemical Compositions and Biological Activities of Essential Oils from the Leaves, Rhizomes and Whole Plant of Hornstedtia bella Škorničk
by Matthew Gavino Donadu, Nhan Trong Le, Duc Viet Ho, Tuan Quoc Doan, Anh Tuan Le, Ain Raal, Marianna Usai, Mauro Marchetti, Giuseppina Sanna, Silvia Madeddu, Paola Rappelli, Nicia Diaz, Paola Molicotti, Antonio Carta, Sandra Piras, Donatella Usai, Hoai Thi Nguyen, Piero Cappuccinelli and Stefania Zanetti
Antibiotics 2020, 9(6), 334; https://doi.org/10.3390/antibiotics9060334 - 18 Jun 2020
Cited by 47 | Viewed by 4527
Abstract
The rapid emergence of drug-resistant strains and novel viruses have motivated the search for new anti-infectious agents. In this study, the chemical compositions and cytotoxicity, as well as the antibacterial, antifungal, antitrichomonas, and antiviral activities of essential oils from the leaves, rhizomes, and [...] Read more.
The rapid emergence of drug-resistant strains and novel viruses have motivated the search for new anti-infectious agents. In this study, the chemical compositions and cytotoxicity, as well as the antibacterial, antifungal, antitrichomonas, and antiviral activities of essential oils from the leaves, rhizomes, and whole plant of Hornstedtia bella were investigated. The GC/MS analysis showed that β-pinene, E-β-caryophyllene, and α-humulene were found at high concentrations in the essential oils. The essential oils exhibited (i) inhibition against Staphylococcus aureus, methicillin-resistant Staphylococcus aureus, Staphylococcus epidermidis with minimum inhibitory concentrations (MIC) and minimum lethal concentration (MLC) values from 1 to 4% (v/v); (ii) MIC and MLC values from 2 to 16% (v/v) in Candida tropicalis and Candida parapsilosis; (iii) MIC and MLC values from 4 to 16% in Enterococcus faecalis; and (iv) MIC and MLC values from 8 to greater than or equal to 16% (v/v) in the remaining strains, including Escherichia coli, Pseudomonas aeruginosa, Klebsiella pneumoniae, Candida albicans, and Candida glabrata. In antitrichomonas activity, the leaves and whole-plant oils of Hornstedtia bella possessed IC50, IC90, and MLC values of 0.008%, 0.016%, and 0.03% (v/v), respectively, whilst those of rhizomes oil had in turn, 0.004%, 0.008%, and 0.016% (v/v).Besides, the leaf oil showed a weak cytotoxicity against Vero 76 and MRC-5; meanwhile, rhizomes and whole-plant oils did not exert any toxic effects on cell monolayers. Finally, these oils were not active against EV-A71. Full article
(This article belongs to the Special Issue Essential Oils in Clinical Practice——Infectious: From Vitro to Live)
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