Bioactive Compounds from Calophyllum Species

The genus Calophyllum encompasses over 180 tropical and subtropical tree species long esteemed in traditional medicine. Extensive phytochemical investigations have revealed an abundant repertoire of secondary metabolites, notably coumarins, xanthones, biflavonoids and triterpenes, which confer a versatile spectrum of bioactivities. Coumarins such as calophyllolide exhibit potent anti-inflammatory and wound-healing properties, while pyranocoumarins and chromanones contribute antimicrobial and anticancer effects. Xanthones and biflavonoids isolated from leaves and bark extracts have demonstrated cytotoxicity against tumour cell lines and antioxidant capacity through radical scavenging. Advances in extraction and analytical techniques—including solvent partitioning, high-performance chromatography and feature-based molecular networking—have enabled systematic characterisation of complex resinous fractions. Interest in Calophyllum inophyllum (‘tamanu oil’) has surged owing to its applications in dermatology, cosmeceuticals and atopic dermatitis, whereas lesser-studied tropical species continue to yield novel prenylated and neoflavonoid scaffolds with antidiabetic and osteogenic potential. Geographic variation in compound profiles underscores the importance of chemotypic and genetic diversity for bioresource conservation and sustainable exploitation. Collectively, research to date affirms the global significance of Calophyllum bioactives as promising leads for drug discovery and multifunctional natural therapeutics.

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Bioactive Compounds from Calophyllum Species publication trend

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

Technical terms

Coumarins: A class of benzopyrone phenolic compounds with diverse pharmacological properties, including anti-inflammatory and antimicrobial activity.

Xanthones: Polyphenolic compounds characterised by a dibenzo-γ-pyrone skeleton, noted for antioxidant and cytotoxic properties.

Biflavonoids: Dimers of flavonoid units that often exhibit enhanced bioactivities such as anticancer and anti-inflammatory effects.

Molecular docking: Computational simulation method that predicts the preferred orientation and binding affinity of small molecules to target proteins.

IC50: The concentration of a compound required to inhibit a biological process or target by 50%, commonly used to quantify potency.

Bigels: Biphasic gel systems combining hydrogel and organogel networks, employed to enhance topical delivery of lipophilic agents.

Feature-based molecular networking: Analytical tool that organises mass spectrometry data into molecular families to facilitate compound annotation and discovery.

References

1. Impact of solvent type, solvent-water concentration, and number of stages on the extraction of coumarin mixture from tamanu (Calophyllum inophyllum) oil and its antioxidant activity. Arabian Journal of Chemistry (2023).
2. An Integrated Computational and Experimental Approach to Formulate Tamanu Oil Bigels as Anti-Scarring Agent. Pharmaceuticals (2024).
3. Cytotoxic Metabolites from Calophyllum tacamahaca Willd.: Isolation and Detection through Feature-Based Molecular Networking. Metabolites (2023).
4. Potential of Tamanu (Calophyllum inophyllum) Oil for Atopic Dermatitis Treatment. Evidence-based Complementary and Alternative Medicine (2021).
5. Antioxidant in cosmeceutical products containing Calophyllum inophyllum oil☆. OCL - Oilseeds and fats, Crops and Lipids (2021).
6. Chemodiversity of Calophyllum inophyllum L. oil bioactive components related to their specific geographical distribution in the South Pacific region. PeerJ (2019).
7. α-amylase and α-glucosidase antidiabetic potential of ten essential oils from Calophyllum inophyllum Linn. Iberoamerican Journal of Medicine (2020).
8. Calophyllolide Content in Calophyllum inophyllum at Different Stages of Maturity and Its Osteogenic Activity. Molecules (2015).