Anti-Inflammatory and Antimicrobial Effects of Eucalyptus spp. Essential Oils: A Potential Valuable Use for an Industry Byproduct

In Brazil, the use of Eucalyptus is focused on the production of wood or pulp for the paper industry but without any general recovery of waste, with leaves and branches being left on the ground. One possibility is to use these residues as raw materials in the production of industrially relevant and...

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Published in:Evidence-based complementary and alternative medicine 2023, Vol.2023 (1), p.2582698-2582698
Main Authors: Salvatori, Emilly S., Morgan, Letícia V., Ferrarini, Samara, Zilli, Gabriela A. L., Rosina, Adriano, Almeida, Manuelle O. P., Hackbart, Helen C. S., Rezende, Renan S., Albeny-Simões, Daniel, Oliveira, J. Vladimir, Gasparetto, Adriana, Müller, Liz G., Dal Magro, Jacir
Format: Article
Language:English
Subjects:
Abdomen
Acetic acid
Acids
Acute toxicity
Adaptation
Animals
Antimicrobial activity
Antimicrobial agents
Candida albicans
Chemical composition
Cineole
Escherichia coli
Essential oils
Eucalyptus
Gas chromatography
Hardwoods
Hybrids
Inflammation
Ions
Leaves
Mass spectroscopy
Nonsteroidal anti-inflammatory drugs
Oils & fats
Pain perception
Pulp & paper industry
R&D
Research & development
Staphylococcus aureus
Tumor necrosis factor-TNF
α-Pinene
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Summary:In Brazil, the use of Eucalyptus is focused on the production of wood or pulp for the paper industry but without any general recovery of waste, with leaves and branches being left on the ground. One possibility is to use these residues as raw materials in the production of industrially relevant and value-added compounds such as essential oil. The aim of the present study was to investigate the chemical composition, yield, anti-inflammatory/antinociceptive activities, and acute toxicity in mice, as well as the antimicrobial effects of essential oils from the leaves of 7 varieties of Eucalyptus and hybrids against Escherichia coli, Staphylococcus aureus, and Candida albicans. The extraction of oils was carried out using hydrodistillation, and they were analyzed by gas chromatography coupled to mass spectrometry. Urocam and Grancam were the plants that obtained the highest oil yield, with yields of 3.32 and 2.30%, respectively. The main chemical components identified in these plants were 1.8 cineole and α-pinene. The antinociceptive effect of the 7 oils (50 mg/kg, p.o.) was initially assessed in the acetic acid-induced writhing test. In this assay, a significant (p 
ISSN:1741-427X
1741-4288
DOI:10.1155/2023/2582698