Antibacterial and antioxidant activities of Alcea kurdica flower, leaf and root aqueous and organic extracts (2025)

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Antibacterial and antioxidant activities of Alcea kurdica flower, leaf and root aqueous and organic extracts

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Global concerns are rising due to complications associated with the use of chemical agents and antibiotic resistance. Consequently, research focus has shifted towards the quest for effective agents of biological origin. The aim of the present study was to assess the antioxidant and antimicrobial potentials of aqueous and organic extracts derived from various parts of Alcea kurdica. Different parts of A. kurdica were obtained and prepared into leaf, flower and root powders. The powders were extracted with aqueous and organic solvents. The antimicrobial activity of these extracts was assessed against bacterial pathogens using the agar well-diffusion assay. Additionally, the antioxidant effects of the extracts were evaluated using the DPPH (2,2-diphenyl-1-picrylhydrazyl) and resazurin dye scavenging assays. The results showed dose-dependent antibacterial activity against Staphylococcus aureus and Escherichia coli for both the organic and aqueous leaf and floral extracts. Furthermore, an antioxidant effect (>80%) was also observed for the organic and water extracts of the flowers, leaves and roots of the plant at the highest concentration (500 µg/ml), as compared to ascorbic acid, which served as the positive control using both the DPPH and resazurin methods. The findings of this study highlighted that A. kurdica can be considered a rich source of potential antioxidant and antibacterial agents, warranting future investigation to identify its active ingredients.

Antibacterial and antioxidant activities of Alcea kurdica flower, leaf and root aqueous and organic extracts (1) Antibacterial and antioxidant activities of Alcea kurdica flower, leaf and root aqueous and organic extracts (2) Antibacterial and antioxidant activities of Alcea kurdica flower, leaf and root aqueous and organic extracts (3)

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Antibacterial and antioxidant activities of Alcea kurdica flower, leaf and root aqueous and organic extracts (8) (1)

Antibacterial and antioxidant activities of Alcea kurdica flower, leaf and root aqueous and organic extracts (9) Antibacterial and antioxidant activities of Alcea kurdica flower, leaf and root aqueous and organic extracts (10)

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Antibacterial and antioxidant activities of Alcea kurdica flower, leaf and root aqueous and organic extracts (11) (45)

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Antibacterial and antioxidant activities of Alcea kurdica flower, leaf and root aqueous and organic extracts (2025)
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