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Section Medicine

Evaluation Study of the Active Compounds and Antioxidant Activity of Lavender Extract

Vol 10 No 1 (2025): June:

Mohannad Rasheed H. AL-Zaydi (1), Weaam Ahmed Alwan (2), Sara Munther Mubder (3), Dorees Taher Hasan (4), Aya Azam Jamal (5)

(1) Diyala University, Iraq
(2) Diyala University, Iraq
(3) Directorate General of Education Diyala , Iraq
(4) Diyala University, Iraq
(5) Diyala University, Iraq

Abstract:

General background: Medicinal plants have long been recognized for their therapeutic properties due to their bioactive compounds. Specific background: Lavender (Lavandula spp.) is widely used for its aromatic, medicinal, and preservative properties, but comprehensive analyses of its leaf extract's phytochemical profile and antioxidant potential remain limited. Knowledge gap: While numerous studies have explored lavender essential oils, fewer have examined the secondary metabolites and antioxidant capacity specifically from leaf-based alcoholic extracts. Aims: This study aimed to evaluate the active compounds and antioxidant activity of the alcoholic extract of lavender leaves by identifying its chemical composition and quantifying key bioactive metabolites. Results: Phytochemical screening revealed the presence of phenolic compounds, flavonoids, tannins, glycosides, alkaloids, terpenes, and sterols. The extract showed the highest concentration of total phenolics (25.32 mg/100 g) and the lowest of glycosides (0.076 mg/100 g). Antioxidant assays confirmed its capacity to scavenge free radicals effectively. Novelty: This study provides detailed evidence of the potent antioxidant activity of lavender leaf extracts, contributing new insights distinct from flower-based evaluations. Implications: These findings support the potential development of lavender leaf-based natural antioxidants for pharmaceutical and nutraceutical applications.


Highlights:


 




  • Identified seven major classes of secondary metabolites in lavender leaf extract.




  • Highest antioxidant activity linked to phenolic and flavonoid content.




  • Demonstrated potential for pharmaceutical and nutraceutical applications.




Keywords: Lavender Plant, Active Compounds, Antioxidant Activity


 

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