<abstract xmlns="http://www.w3.org/1999/xhtml">

<italic>Citrus aurantium</italic> var. <italic>dulce</italic> (sweet orange) belongs to one of the largest genera of the Rutaceae family. The species of this genus are consumed worldwide fresh or in form of beverages. They include well-known crops lemons, oranges, mandarins, grapefruits, and limes. Essential oils (EOs) obtained from this species have great economic value since they are mainly produced from the peel of the crops, which are considered waste during their industrial processing. Considering, the aim of this study was to evaluate the chemical composition of the essential oil (EO) obtained from the peel of <italic>Citrus aurantium</italic> var. <italic>dulce</italic>, as well as to assess the biological effects by the means of antioxidant and antibacterial activity. Chemical composition analysis performed using GC and GC/MS analysis revealed that this EO is a rich source of limonene presented in this sample in the amount of 93.86% of the total. Obtained results of antioxidant testing indicate better inhibition of ABTS•+ (68.32 ±3.54%) compared to the DPPH• (8.60 ±1.52%). Moreover, the results of the antimicrobial assessment using the disc diffusion method displayed almost no inhibition power of this essential oil towards G− bacteria and yeast strains, while towards G+ bacterial strains weak inhibition was observed.
</abstract>

Citrus aurantium var. dulce (sweet orange) belongs to one of the largest genera of the Rutaceae family. The species of this genus are consumed worldwide fresh or in form of beverages. They include well-known crops lemons, oranges, mandarins, grapefruits, and limes. Essential oils (EOs) obtained from this species have great economic value since they are mainly produced from the peel of the crops, which are considered waste during their industrial processing. Considering, the aim of this study was to evaluate the chemical composition of the essential oil (EO) obtained from the peel of Citrus aurantium var. dulce, as well as to assess the biological effects by the means of antioxidant and antibacterial activity. Chemical composition analysis performed using GC and GC/MS analysis revealed that this EO is a rich source of limonene presented in this sample in the amount of 93.86% of the total. Obtained results of antioxidant testing indicate better inhibition of ABTS•+ (68.32 ±3.54%) compared to the DPPH• (8.60 ±1.52%). Moreover, the results of the antimicrobial assessment using the disc diffusion method displayed almost no inhibition power of this essential oil towards G− bacteria and yeast strains, while towards G+ bacterial strains weak inhibition was observed.

Chemical composition and biological effects of <italic>Citrus aurantium</italic> var. <italic>dulce</italic> essential oil

Acta Horticulturae et Regiotecturae

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Chemical composition and biological effects of  var.  essential oil

Citrus aurantium var. dulce (sweet orange) belongs to one of the largest genera of the Rutaceae family. The species of this genus are consumed worldwide fresh...

Chemical composition and biological effects of Citrus aurantium var. dulce essential oil

Article Category: Research Article

Published Online: May 23, 2023

Page range: 14 - 20

Received: Jan 15, 2023

Accepted: Feb 16, 2023

DOI: https://doi.org/10.2478/ahr-2023-0003

Keywords
essential oil, chemical composition, antioxidant activity, antimicrobial activity

© 2023 Milena D. Vukić et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Chemical composition and biological effects of Citrus aurantium var. dulce essential oil

Article Category: Research Article

Published Online: May 23, 2023

Page range: 14 - 20

Received: Jan 15, 2023

Accepted: Feb 16, 2023

DOI: https://doi.org/10.2478/ahr-2023-0003

Keywordsessential oil, chemical composition, antioxidant activity, antimicrobial activity

© 2023 Milena D. Vukić et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Keywords
essential oil, chemical composition, antioxidant activity, antimicrobial activity