In Vitro Antiviral Potential, Antioxidant, and Chemical Composition of Clove (<i>Syzygium aromaticum</i>) Essential Oil

Viral infections are spread all around the world. Although there are available therapies, their safety and effectiveness are constrained by their adverse effects and drug resistance. Therefore, new natural antivirals have been used such as essential oils, which are natural products with promising bi...

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Main Author: Manal Jameel Kiki
Format: Article
Language:English
Published: MDPI AG 2023-03-01
Series:Molecules
Subjects:
Online Access:https://www.mdpi.com/1420-3049/28/6/2421
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author Manal Jameel Kiki
author_facet Manal Jameel Kiki
author_sort Manal Jameel Kiki
collection DOAJ
description Viral infections are spread all around the world. Although there are available therapies, their safety and effectiveness are constrained by their adverse effects and drug resistance. Therefore, new natural antivirals have been used such as essential oils, which are natural products with promising biological activity. Accordingly, the present study aimed to identify the components of clove (<i>Syzygium aromaticum</i>) essential oil (EOCa) and verify its antioxidant and antiviral activity. The oil was analyzed using GC/MS, and the antioxidant capacity was evaluated as a function of the radical scavenging activity. A plaque reduction test was used to measure the antiviral activity against herpes simplex virus (HSV-1), hepatitis A virus (HAV), and an adenovirus. GC/MS analysis confirmed the presence of eugenol as the main component (76.78%). Moreover, EOCa had powerful antioxidant activity with an IC<sub>50</sub> of 50 µg/mL. The highest antiviral potential was found against HAV, with a selectivity index (SI) of 14.46, while showing poor selectivity toward HSV-1 with an SI value of 1.44. However, no relevant effect was detected against the adenovirus. The antiviral activity against HAV revealed that its effect was not related to host cytotoxicity. The findings imply that EOCa can be utilized to treat diseases caused by infections and free radicals.
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spelling doaj.art-17fafcfef7ba4cadb25c022211d615572023-11-17T12:50:06ZengMDPI AGMolecules1420-30492023-03-01286242110.3390/molecules28062421In Vitro Antiviral Potential, Antioxidant, and Chemical Composition of Clove (<i>Syzygium aromaticum</i>) Essential OilManal Jameel Kiki0The University of Jeddah, College of Science, Department of Biology, Jeddah 23218, Saudi ArabiaViral infections are spread all around the world. Although there are available therapies, their safety and effectiveness are constrained by their adverse effects and drug resistance. Therefore, new natural antivirals have been used such as essential oils, which are natural products with promising biological activity. Accordingly, the present study aimed to identify the components of clove (<i>Syzygium aromaticum</i>) essential oil (EOCa) and verify its antioxidant and antiviral activity. The oil was analyzed using GC/MS, and the antioxidant capacity was evaluated as a function of the radical scavenging activity. A plaque reduction test was used to measure the antiviral activity against herpes simplex virus (HSV-1), hepatitis A virus (HAV), and an adenovirus. GC/MS analysis confirmed the presence of eugenol as the main component (76.78%). Moreover, EOCa had powerful antioxidant activity with an IC<sub>50</sub> of 50 µg/mL. The highest antiviral potential was found against HAV, with a selectivity index (SI) of 14.46, while showing poor selectivity toward HSV-1 with an SI value of 1.44. However, no relevant effect was detected against the adenovirus. The antiviral activity against HAV revealed that its effect was not related to host cytotoxicity. The findings imply that EOCa can be utilized to treat diseases caused by infections and free radicals.https://www.mdpi.com/1420-3049/28/6/2421antiviralantioxidantcytotoxicitycloveessential oil<i>Syzigium aromaticum</i>
spellingShingle Manal Jameel Kiki
In Vitro Antiviral Potential, Antioxidant, and Chemical Composition of Clove (<i>Syzygium aromaticum</i>) Essential Oil
Molecules
antiviral
antioxidant
cytotoxicity
clove
essential oil
<i>Syzigium aromaticum</i>
title In Vitro Antiviral Potential, Antioxidant, and Chemical Composition of Clove (<i>Syzygium aromaticum</i>) Essential Oil
title_full In Vitro Antiviral Potential, Antioxidant, and Chemical Composition of Clove (<i>Syzygium aromaticum</i>) Essential Oil
title_fullStr In Vitro Antiviral Potential, Antioxidant, and Chemical Composition of Clove (<i>Syzygium aromaticum</i>) Essential Oil
title_full_unstemmed In Vitro Antiviral Potential, Antioxidant, and Chemical Composition of Clove (<i>Syzygium aromaticum</i>) Essential Oil
title_short In Vitro Antiviral Potential, Antioxidant, and Chemical Composition of Clove (<i>Syzygium aromaticum</i>) Essential Oil
title_sort in vitro antiviral potential antioxidant and chemical composition of clove i syzygium aromaticum i essential oil
topic antiviral
antioxidant
cytotoxicity
clove
essential oil
<i>Syzigium aromaticum</i>
url https://www.mdpi.com/1420-3049/28/6/2421
work_keys_str_mv AT manaljameelkiki invitroantiviralpotentialantioxidantandchemicalcompositionofcloveisyzygiumaromaticumiessentialoil