Bioactive Compounds in Centaurea Species

The genus Centaurea, comprising over 600 taxa within the Asteraceae family, has long been recognised in traditional medicine for its rich array of bioactive metabolites. Prominent classes of compounds include phenolic acids, flavonoids and sesquiterpene lactones, alongside volatile constituents in essential oils. These molecules confer a spectrum of biological activities such as antioxidant, anti‐inflammatory, antimicrobial, enzyme inhibitory and anti‐proliferative effects. Advanced chromatographic and spectrometric techniques have detailed the presence of chlorogenic acid derivatives, quercetin glycosides and cnicin among others, revealing both species‐specific profiles and chemotypic diversity. Insights into mechanisms of action span free‐radical scavenging, modulation of glycosidase and cholinesterase enzymes, induction of apoptotic pathways in cancer cells and potential synergy within complex mixtures. Such multifaceted bioactivities underpin ongoing efforts to develop Centaurea‐derived nutraceuticals, phytopharmaceuticals and cosmeceuticals with global relevance.

Research from Nature Portfolio

Recent studies have characterised the essential oil of Centaurea triumfettii, identifying hexadecanoic acid, spathulenol, longifolene and germacrene D as dominant constituents. A comparative literature analysis established positive correlations between these terpenoids and antimicrobial efficacy against Escherichia coli and Staphylococcus epidermidis. Experimental testing of pure phytochemicals, however, suggested that activity arises from complex synergistic interactions rather than individual components. Network pharmacology analyses further highlighted theoretical binding interactions between essential oil constituents and microbial targets, underscoring the need for integrative approaches to decipher multi‐component mechanisms.

Bioactive Compounds in Centaurea Species publication trend

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

Technical terms

Phenolic acids: Aromatic compounds featuring one or more hydroxyl groups attached to a phenyl ring, known for antioxidant properties.

Flavonoids: Polyphenolic pigments with a 15-carbon skeleton, responsible for free-radical scavenging and enzyme modulation.

Sesquiterpene lactones: C15 terpenoids containing a lactone ring, often implicated in anti-inflammatory and cytotoxic activities.

LC-MS: Liquid chromatography–mass spectrometry, an analytical technique combining separation and mass analysis for compound identification.

Molecular docking: Computational method predicting the preferred orientation of a ligand when bound to a protein target, informing structure–activity relationships.

References

1. Centaurea triumfetii essential oil chemical composition, comparative analysis, and antimicrobial activity of selected compounds. Scientific Reports (2023).
2. Phytochemicals, Antioxidant and Antimicrobial Potentials and LC-MS Analysis of Centaurea parviflora Desf. Extracts. Molecules (2023).
3. Phytochemical Composition, In Vitro Antimicrobial, Antioxidant, and Enzyme Inhibition Activities, and In Silico Molecular Docking and Dynamics Simulations of Centaurea lycaonica: A Computational and Experimental Approach. ACS Omega (2023).
4. Antioxidant, Anti-Proliferative Activity and Chemical Fingerprinting of Centaurea calcitrapa against Breast Cancer Cells and Molecular Docking of Caspase-3. Antioxidants (2022).