Pharmacological Activities of Natural Coumarin Compounds
Summary
Natural coumarins constitute a diverse class of benzopyrone derivatives widely distributed in plants, many of which exhibit a remarkable spectrum of pharmacological activities. These compounds have demonstrated antimicrobial, anticancer, anti-inflammatory and antioxidant properties across both in vitro and in vivo models. Additional effects include antidiabetic, antihypertensive, hepatoprotective and neuroprotective actions, as well as immunomodulatory potential. Mechanistically, coumarins may inhibit key enzymes—such as acetylcholinesterase, monoamine oxidase and lipoxygenases—modulating neurotransmission, inflammatory cascades and oxidative stress. Their anti-angiogenic properties further contribute to anticancer efficacy by disrupting neovascularisation. Despite rapid absorption, many natural coumarins suffer from low oral bioavailability due to poor aqueous solubility and extensive first-pass metabolism, prompting efforts to develop novel delivery systems and structural derivatives. Pharmacokinetic profiling has revealed short half-lives and rapid clearance, underscoring the need for formulation strategies that prolong systemic exposure. Taken together, natural coumarins represent promising lead compounds for the treatment of cancer, liver disease, metabolic disorders and neurodegenerative conditions. Ongoing research aims to elucidate molecular targets, optimise pharmacokinetic profiles and ensure safety, thereby realising their potential as low-toxicity therapeutics with broad global relevance.
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Pharmacological Activities of Natural Coumarin Compounds publication trend
The graph below shows the total number of articles in pharmacological activities of natural coumarin compounds across all publications each year (not limited to Nature Index journals).
Technical terms
Coumarin: A natural benzopyrone compound characterised by a fused benzene and α-pyrone ring, prevalent in many medicinal plants.
Bioavailability: The proportion of an administered substance that reaches systemic circulation in an active form.
Pharmacokinetics: The study of how a compound is absorbed, distributed, metabolised and excreted by the body.
STAT3: Signal transducer and activator of transcription 3, a transcription factor implicated in cell proliferation, survival and oncogenic signalling.
Xenograft: A transplantation model in which tissue or cells from one species are implanted into another, commonly used to evaluate antitumour agents.
References
- Scopoletin: a review of its pharmacology, pharmacokinetics, and toxicity. Frontiers in Pharmacology (2024).
- Scoparone Exerts Anti-Tumor Activity against DU145 Prostate Cancer Cells via Inhibition of STAT3 Activity. PLOS ONE (2013).
- The Pharmacological Effects and Pharmacokinetics of Active Compounds of Artemisia capillaris. Biomedicines (2021).
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