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Abstract Title:

Cymbopogon citratus protects erythrocytes from lipid peroxidation in vitro.

Abstract Source:

Cardiovasc Hematol Agents Med Chem. 2021 Sep 6. Epub 2021 Sep 6. PMID: 34488600

Abstract Author(s):

Francisca De Oliveira E Silva, Julio Cesar Mendes Soares, Aniele Valdez, Marcos Vinícios da Silva Ferreira, Marcelo da Silva Cecim

Article Affiliation:

Francisca De Oliveira E Silva

Abstract:

: Essential oils are complex mixtures of volatile compounds, primarily composed of terpenes and abundant aromatic plants. For example, Cymbopogon citratus (lemongrass) is an aromatic plant that produces a monoterpene-rich essential oil, and studies show that this essential oil has excellent antioxidant activity. Erythrocytes incubated under high sugar levels are constantly exposed to reactive oxygen species, which results in the oxidation of their membranes.

OBJECTIVE: The aim of this article is to investigate the antioxidant activity of lemongrass essential oil and its protective effect on erythrocytes exposed to high levels of glucose.

MATERIALS AND METHODS: The essential oil was obtained by steam dragging distillation; blood cell suspensions were incubated with glucose 5, 20, 50, and 100 mmol/L. The amount of TBARS produced was measured at 532 nm. In addition, the percentage of antioxidant activity was assessed by DPPH free radical assay.

RESULTS: Lemongrass essential oil showed an increase in the antioxidant activity up to 240 mg/ml, while ascorbic acid used as positive control showed a dose-dependent increase in antioxidant activity starting at 1 mmol/L up to 18 mmol/L. However, such a lemongrass dose prevented peroxidation in erythrocytes incubated under a high glucose media, whereas ascorbic acid showed a protective effect only at a concentration of 1 mmol/L.

CONCLUSION: Lemongrass essential oil has high antioxidant activity compared to standard antioxidant as ascorbic acid, and also acts as a protective agent against erythrocyte lipoperoxidation due to hyperglycemia in vitro.

Study Type : In Vitro Study

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