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Research Article Open access CC BY 4.0

Antioxidant Capacity and Total Phenolic and Flavonoid Contents of Methanolic Extracts of Urtica dioica L. by Different Extraction Techniques

Sabina Begić, Emir Horozić, Hurija Alibašić, Edita Bjelić, Salih Seferović, Ermina Cilović Kozarević, Merima Ibišević, Amila Zukić, Enida Karić, Merima Softić

International Research Journal of Pure and Applied Chemistry · pp. 207–214 · Published 29 Dec 2020

10.9734/irjpac/2020/v21i2330319

Abstract

In this study, the efficacy of different extraction techniques (maceration, ultrasound-assisted and Soxhlet extraction) on the content of biologically active components in extracts from fresh and dried nettle leaves, and their antioxidant activity were analyzed. Methanol was used as the solvent. Total phenolic content and antioxidant capacity were determined by Folin-Ciocalteu, DPPH and FRAP methods, respectively. High content of total phenolic compounds and high antioxidant activity were recorded in extracts of dried nettle. Extracts obtained from fresh nettle samples showed significantly lower content of analyzed bioactive components and lower antioxidant activity. In the case of all extracts, Soxhlet extraction proved to be the most efficient, and maceration the least efficient extraction technique for isolation of bioactive components from nettle leaves.

Nettle DPPH extraction methanol in vitro study.

Cited by 11

Antioxidant Activity Analysis of Ethanol Extract from Melandean Leaves (Bridelia micrantha) Using the DPPH Assay

Faizul Bayani, Lale Budi Hutami Rahayu, Supiani Rahayu · Hydrogen: Jurnal Kependidikan Kimia · 2024

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