Pharmacological Properties of Centella Asiatica

Centella asiatica, a perennial herbaceous plant traditionally employed in Ayurvedic and Chinese medicine, is distinguished by its pentacyclic triterpenoid saponins and associated aglycones. These compounds, notably asiaticoside, madecassoside, asiatic acid and madecassic acid, underpin a broad spectrum of biological activities. Antioxidant and anti-inflammatory effects arise from scavenging of reactive oxygen species and modulation of nuclear factor-κB and mitogen-activated protein kinase pathways. Neuroprotective actions are mediated through enhancement of hippocampal neurogenesis, inhibition of amyloid aggregation and protection against excitotoxicity. Dermatological applications exploit stimulation of collagen synthesis, promotion of wound healing and mitigation of ultraviolet-induced damage. Additional cardioprotective, hepatoprotective, antidiabetic and anticancer properties derive from regulation of lipid metabolism, enhancement of insulin sensitivity, induction of apoptosis in tumour cells and attenuation of fibrotic processes. The integrated pharmacology of C. asiatica reflects synergistic interactions between triterpenoid glycosides and flavonoid constituents, offering versatile therapeutic potential in both clinical and nutraceutical contexts.

Research from Nature Portfolio

Recent clinical investigations into the cognitive and mood-related effects of C. asiatica have provided nuanced insights. A systematic review and meta-analysis of randomised controlled trials evaluated standardised extracts and isolated triterpenes for their impact on attention, memory and affective states. While no statistically significant improvements were observed across core cognitive domains, transient elevations in alertness and reductions in anger were documented within one hour of administration. Preparations were consistently well tolerated, with no adverse events reported. Mechanistic studies accompanying these trials suggest that modulation of cholinergic transmission and stress-response pathways underlies the observed psychotropic effects, highlighting the importance of standardisation in dose regimen and phytochemical composition.

Pharmacological Properties of Centella Asiatica publication trend

The graph below shows the total number of articles in pharmacological properties of centella asiatica across all publications each year (not limited to Nature Index journals).

Technical terms

Pentacyclic triterpenoids: Plant-derived compounds with a five-ring carbon structure responsible for the major bioactivities of C. asiatica.

Reactive oxygen species (ROS): Chemically reactive molecules containing oxygen that can induce cellular damage and signal pro-inflammatory pathways.

Triterpene glycosides: Conjugates of triterpenoid aglycones and sugar moieties that influence solubility, bioavailability and receptor interactions.

Neurogenesis: The process of generating new neurons in the central nervous system, particularly within the hippocampal dentate gyrus.

References

1. Enhancement of bioactive compounds and biological activities of Centella asiatica through ultrasound treatment. Ultrasonics Sonochemistry (2023).
2. Comparison of the Antioxidant Potency of Four Triterpenes of Centella asiatica against Oxidative Stress. Antioxidants (2024).
3. Therapeutic Potential of Centella asiatica and Its Triterpenes: A Review. Frontiers in Pharmacology (2020).
4. Effects of Centella asiatica (L.) Urb. on cognitive function and mood related outcomes: A Systematic Review and Meta-analysis. Scientific Reports (2017).
5. Therapeutic properties and pharmacological activities of asiaticoside and madecassoside: A review. Journal of Cellular and Molecular Medicine (2023).