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Article Publish Status: FREE
Abstract Title:

Polyphenolic Composition of,andExtracts and Assessment of Their Antioxidant Activity in Human Endothelial Cells.

Abstract Source:

Antioxidants (Basel). 2019 Apr 6 ;8(4). Epub 2019 Apr 6. PMID: 30959906

Abstract Author(s):

Efthalia Kerasioti, Anna Apostolou, Ioannis Kafantaris, Konstantinos Chronis, Eleana Kokka, Christina Dimitriadou, Evangelia N Tzanetou, Alexandros Priftis, Sofia D Koulocheri, Serkos A Haroutounian, Demetrios Kouretas, Dimitrios Stagos

Article Affiliation:

Efthalia Kerasioti

Abstract:

The aim of the present study was the investigation of the antioxidant activity of plant extracts from Rosa canina, Rosa sempervivens and Pyrocantha coccinea. The results showed that the bioactive compounds found at higher concentrations were in the R. canina extract: hyperoside, astragalin, rutin, (+)-catechin and (-)-epicatechin; in the R. sempervirens extract: quinic acid, (+)-catechin, (-)-epicatechin, astragalin and hyperoside; and in the P. coccinea extract: hyperoside, rutin, (-)-epicatechin, (+)-catechin, astragalin, vanillin, syringic acid and chlorogenic acid. The total polyphenolic content was 290.00, 267.67 and 226.93 mg Gallic Acid Equivalent (GAE)/g dw, and the total flavonoid content 118.56, 65.78 and 99.16 mg Catechin Equivalent (CE)/g dw for R. caninna, R. sempervirens and P. coccinea extracts, respectively. The extracts exhibited radical scavenging activity in DPPH and 2,2'-azino-bis(3-ethylbenzothiazoline-6-sulphonic acid) (ABTS)•⁺ assays and protection from ROO•-induced DNA damage in the following potency order: R. canina>R. sempervirens>P. coccinea. Finally, treatment with R. canina and P. coccinea extract significantly increased the levels of the antioxidant molecule glutathione, while R. canina extract significantly decreased Reactive Oxygen Species (ROS) in endothelial cells. The results herein indicated that the R. canina extract in particular may be used for developing food supplements or biofunctional foods for the prevention of oxidative stress-induced pathological conditions of endothelium.

Study Type : In Vitro Study

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Sayer Ji
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