Phytochemical Properties and Pharmacological Effects of Prunella Vulgaris
Summary
Prunella vulgaris, commonly known as self-heal, is a perennial herb of the Lamiaceae family that has been employed in traditional medicine across Europe, Asia and North America. Its chemical repertoire encompasses triterpenes, steroids, flavonoids, phenolic acids, polysaccharides and volatile oils. Key phenolic constituents such as rosmarinic and caffeic acids confer potent antioxidant and free-radical scavenging capacities, while flavonoids and triterpenoids contribute anti-inflammatory and immunomodulatory effects. Polysaccharide fractions have been shown to enhance innate and adaptive immune responses, and to modulate cytokine production. Extraction method and plant part significantly influence the yield and profile of bioactive compounds, with aqueous and hydroalcoholic solvents frequently employed to enrich phenolic and polysaccharide content. Pharmacologically, P. vulgaris exhibits a broad spectrum of activities. It suppresses inflammatory mediators through inhibition of NF-κB signalling, induces apoptosis in various tumour cell lines, and restrains angiogenesis and tumour cell invasion. Antibacterial effects against resistant strains, including disruption of cell-wall integrity and enzymatic systems, have been demonstrated. Additional properties include antiviral activity, metabolic regulation in thyroid and glycaemic disorders, hepatoprotection and sedative effects. The herb’s multifunctional profile has underpinned its development as a chemopreventive adjuvant in cancer, a source of natural antimicrobials for food and pharmaceutical applications, and a complementary therapy in endocrinological conditions. Continued research aims to standardise extraction techniques, elucidate mechanisms of action and advance clinical evaluation of purified constituents.
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Phytochemical Properties and Pharmacological Effects of Prunella Vulgaris publication trend
The graph below shows the total number of articles in phytochemical properties and pharmacological effects of prunella vulgaris across all publications each year (not limited to Nature Index journals).
Technical terms
Phytochemical: A bioactive chemical compound produced by plants, often contributing to medicinal properties.
Flavonoid: A class of polyphenolic compounds with antioxidant, anti-inflammatory and anticancer activities.
Phenolic acid: A subclass of polyphenols characterised by a phenolic ring and carboxylic acid group, known for free-radical scavenging.
Polysaccharide: A long-chain carbohydrate polymer that can modulate immune function and exhibit antioxidant properties.
Apoptosis: Programmed cell death, a regulated process by which cells undergo self-destruction in response to various stimuli.
Minimum inhibitory concentration (MIC): The lowest concentration of an antimicrobial agent required to prevent visible growth of a microorganism.
Angiogenesis: The physiological process by which new blood vessels form from existing vasculature, often co-opted by tumours for growth.
References
- Exploring the Antibacterial Potential and Underlying Mechanisms of Prunella vulgaris L. on Methicillin-Resistant Staphylococcus aureus. Foods (2024).
- Prunella vulgaris L.: An Updated Overview of Botany, Chemical Composition, Extraction Methods, and Biological Activities. Pharmaceuticals (2023).
- Anti-Tumor Effects and Toxicity Reduction Mechanisms of Prunella vulgaris: A Comprehensive Review. Molecules (2024).
- Prunella vulgaris L. – A Review of its Ethnopharmacology, Phytochemistry, Quality Control and Pharmacological Effects. Frontiers in Pharmacology (2022).
- NF-κB-Targeted Anti-Inflammatory Activity of Prunella vulgaris var. lilacina in Macrophages RAW 264.7. International Journal of Molecular Sciences (2013).
- Spica prunellae promotes cancer cell apoptosis, inhibits cell proliferation and tumor angiogenesis in a mouse model of colorectal cancer via suppression of stat3 pathway. BMC Complementary Medicine and Therapies (2013).
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