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Protective Effects of Grapefruit Essential Oil against Staphylococcus Aureus‐Induced Inflammation and Cell Damage in Human Epidermal Keratinocytes

Protective Effects of Grapefruit Essential Oil against Staphylococcus Aureus‐Induced Inflammation... Staphylococcus aureus (S. aureus) is a common skin pathogenic bacterium, over‐colonization can induce skin infections, while its metabolites can also produce irritation to the skin, often accompanied by eczema dermatitis, specific dermatitis and other skin diseases. Grapefruit essential oil is extracted from the fruit of grapefruit (Citrus maxima (Burm) Merr.), a citrus plant that is rich in flavonoids, phenolic acids and high flavanones. Due to its good odor and biological activity such as anti‐inflammatory, antibacterial, etc., grapefruit essential oil has been widely used as an additive in food. To evaluate the potential application of grapefruit essential oil as raw materials in cosmetics products and health foods, we developed a cell damage model of skin inflammation stimulated by S. aureus metabolites. Compared to that of lime essential oil, an internal control, we found that grapefruit essential oil could significantly promote HaCaT cells proliferation, reduce reactive oxygen species (ROS) production induced by S. aureus metabolites, inhibit the upregulated expression of IL‐1 and COX‐2. In the 3D epidermal model, grapefruit essential oil could recover the decreased LOR and FLG contents caused by S. aureus metabolites. These results demonstrated pharmacological evidence for the anti‐inflammatory effect of grapefruit essential oil, suggesting a potential application of grapefruit essential oil as cosmetic raw materials for repair and alleviating of skin inflammation caused by S. aureus. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Chemistry & Biodiversity Wiley

Protective Effects of Grapefruit Essential Oil against Staphylococcus Aureus‐Induced Inflammation and Cell Damage in Human Epidermal Keratinocytes

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References (57)

Publisher
Wiley
Copyright
© 2022 Wiley‐VHCA AG, Zurich, Switzerland
eISSN
1612-1880
DOI
10.1002/cbdv.202200205
Publisher site
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Abstract

Staphylococcus aureus (S. aureus) is a common skin pathogenic bacterium, over‐colonization can induce skin infections, while its metabolites can also produce irritation to the skin, often accompanied by eczema dermatitis, specific dermatitis and other skin diseases. Grapefruit essential oil is extracted from the fruit of grapefruit (Citrus maxima (Burm) Merr.), a citrus plant that is rich in flavonoids, phenolic acids and high flavanones. Due to its good odor and biological activity such as anti‐inflammatory, antibacterial, etc., grapefruit essential oil has been widely used as an additive in food. To evaluate the potential application of grapefruit essential oil as raw materials in cosmetics products and health foods, we developed a cell damage model of skin inflammation stimulated by S. aureus metabolites. Compared to that of lime essential oil, an internal control, we found that grapefruit essential oil could significantly promote HaCaT cells proliferation, reduce reactive oxygen species (ROS) production induced by S. aureus metabolites, inhibit the upregulated expression of IL‐1 and COX‐2. In the 3D epidermal model, grapefruit essential oil could recover the decreased LOR and FLG contents caused by S. aureus metabolites. These results demonstrated pharmacological evidence for the anti‐inflammatory effect of grapefruit essential oil, suggesting a potential application of grapefruit essential oil as cosmetic raw materials for repair and alleviating of skin inflammation caused by S. aureus.

Journal

Chemistry & Biodiversity – Wiley

Published: Jun 1, 2022

Keywords: grapefruit essential oil; S. aureus metabolite; anti-inflammatory activity; 3D epidermal model; COX-2

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