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Abstract Title:

Protective effects of beet (Beta vulgaris) leaves extract against oxidative stress in endothelial cells in vitro.

Abstract Source:

Phytother Res. 2020 Jan 27. Epub 2020 Jan 27. PMID: 31989717

Abstract Author(s):

Luiz Guilherme Salvino da Silva, Ana Paula Morelli, Isadora Carolina Betim Pavan, Mariana Rosolen Tavares, Nathalie Fortes Pestana, Mauricio Ariel Rostagno, Fernando Moreira Simabuco, Rosângela Maria Neves Bezerra

Article Affiliation:

Luiz Guilherme Salvino da Silva

Abstract:

Beetroot is an herb used worldwide as a food product, raw material for food industry, ethanol production and source of food coloring. Beet leaves are an unconventional food with antioxidant properties, which might neutralize reactive oxygen species (ROS) induced by oxidized Low-Density Lipoprotein (LDL) present in dyslipidemias. This study aimed to elucidate the effects of beet leaves on the suppression of LDL oxidative processes. Beet leaves extract was produced, characterized, and tested for its antioxidant capacity using endothelial cells in vitro. A model of human umbilical vein endothelial cells was used in various tests, including viability assay, molecular analysis of antioxidant genes, ROS labeling, and macrophage adhesion assay. The extract improved the antioxidative protection of endothelial cells against different agents including oxidized LDL-cholesterol and HO. It acted on ROS directly due to its high content of natural antioxidants, but also due to the activation and improvement of cellular defenses such as Superoxide dismutase 1, Superoxide dismutase 2, and catalase. The inhibition of LDL-mediated oxidative effects on endothelial cells may turn this unconventional food a functional food with great potential for phytotherapy of atherosclerosis as an adjuvant for medicinal treatments.

Study Type : In Vitro Study

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