Triterpenoid Compounds in Ethnopharmacology

Triterpenoid compounds, a diverse class of natural products derived from the cyclisation of squalene, occupy a central role in traditional medicinal systems worldwide. Their structural diversity—ranging from pentacyclic frameworks such as ursane, oleanane and lupane types, to lanostane and noroleanane skeletons—underpins a wealth of bioactivities including anti‐inflammatory, antimicrobial, cytotoxic and antioxidant effects. Ethnopharmacological surveys have long highlighted the use of triterpenoid‐rich plant extracts for the treatment of infections, inflammatory disorders and metabolic ailments. Advanced analytical tools and bioassays are now unravelling the molecular mechanisms by which these compounds modulate cellular pathways, revealing interactions with membrane receptors, enzyme targets and signalling cascades. Emerging work emphasises not only the discovery of novel structures from underexplored species but also the optimisation of extraction and formulation methods to enhance bioavailability. Collectively, these endeavours bridge centuries of traditional knowledge with modern drug‐discovery efforts, underscoring the global significance of triterpenoids as lead scaffolds and therapeutic agents.

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Triterpenoid Compounds in Ethnopharmacology publication trend

The graph below shows the total number of articles in triterpenoid compounds in ethnopharmacology across all publications each year (not limited to Nature Index journals).

Technical terms

Triterpenoid: A class of organic compounds built from six isoprene units (C30) that form diverse cyclic structures through enzymatic cyclisation of squalene.

Glycoside: A molecule in which a sugar moiety is bound to a non‐sugar compound (aglycone), often enhancing solubility and modulating bioactivity.

Saponin: A subgroup of glycosides comprising a triterpenoid or steroid aglycone linked to one or more sugar chains, notable for their surface‐active properties and membrane‐modulating effects.

Ethnopharmacology: The interdisciplinary study of how traditional cultures use plants, fungi or other organisms to prevent and treat disease, integrating anthropological and pharmacological perspectives.

Pentacyclic: Describing a compound with five fused carbon rings, a common feature in many biologically active triterpenoid scaffolds.

References

1. Asprecosides A–J, ten new pentacyclic triterpenoid glycosides with cytotoxic activity from the roots of Ilex asprella. Natural Products and Bioprospecting (2025).
2. Pubescenosides E–K, Seven New Triterpenoid Saponins from the Roots of Ilex pubescens and Their Anti-Inflammatory Activity. Molecules (2018).
3. Ursane-Type Triterpenes, Phenolics and Phenolic Derivatives from Globimetula braunii Leaf. Molecules (2021).