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Polyphenolic Content and Antioxidant Activity of Aerial Parts of Four Turkish Medicinal Plants

Year 2025, Volume: 46 Issue: 4, 735 - 740, 30.12.2025

Ayşe Hanbeyoğlu

https://doi.org/10.17776/csj.1786038

Abstract

The objective of this study was to investigate the total phenolic and flavonoid content, antioxidant capacity, and radical scavenging activity of endemic plants: Allium scorodoprasum L. subsp. rotundum (L.) Stearn, Consolida Orientalis (J. Gay) Schrödinger, Fibigia clypeata (L.) Medik, Silene compacta Fischer. Total antioxidant capacity was evaluated using the CUPRAC method. The radical scavenging effect was examined by looking at the scavenging activity of DPPH and H₂O₂ radicals. The total phenolic content (53.83 ± 2.63 mg GAE/g sample) and total flavonoid content (2.89 ± 0.13 mg QUE/g sample) were found to be higher in S. compacta compared to the other plants. In total antioxidant capacity analyses, the highest value was once again achieved in S. compacta (41.93 ± 0.95 mg TRXE/g sample), in accordance with its phenolic content. Radical scavenging activities exhibited a concentration-dependent response; all the extracts demonstrated significant scavenging activities against DPPH and H₂O₂ radicals. Consequently, the examined plants exhibited significant antioxidant activities due to the presence of specific phytochemicals. The plants under scrutiny, most notably S. compacta, are considered to be significant sources of natural substances, with potential for utilisation in the development of novel phytopharmaceuticals.

Keywords

Antioxidant DPPH CUPRAC Total phenolic Total flavonoid

Supporting Institution

Sivas Cumhuriyet University of Scientific Research Project

Project Number

GMYO-2022-003

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Details

Primary Language English
Subjects Plant Biochemistry
Journal Section Research Article
Authors

Ayşe Hanbeyoğlu 0000-0002-9256-5046

Project Number GMYO-2022-003
Submission Date September 18, 2025
Acceptance Date December 16, 2025
Publication Date December 30, 2025
Published in Issue Year 2025 Volume: 46 Issue: 4

Cite

APA Hanbeyoğlu, A. (2025). Polyphenolic Content and Antioxidant Activity of Aerial Parts of Four Turkish Medicinal Plants. Cumhuriyet Science Journal, 46(4), 735-740. https://doi.org/10.17776/csj.1786038

Editor