Phytochemical Properties and Therapeutic Applications of Echinacea
Summary
Echinacea species, notably Echinacea purpurea, possess a complex phytochemical profile that underpins a range of therapeutic effects. Key constituents include alkamides, phenolic acids such as chicoric and caftaric acids, polysaccharides and inulin‐type fructans. These compounds interact synergistically to modulate immune function, attenuate inflammatory signalling and exert antioxidant and antimicrobial activities. Alkylamides engage cannabinoid receptor pathways to regulate cytokine production, while phenolic acids scavenge reactive oxygen and nitrogen species, thereby limiting tissue damage. Polysaccharides and fructans contribute to immunomodulation by enhancing macrophage phagocytosis and influencing gut microbiota composition. Clinically, preparations of Echinacea have been employed to prevent and ameliorate upper respiratory tract infections, reduce reliance on antibiotics and support mucosal barrier integrity. Emerging research explores its potential in managing intestinal inflammation and mild anxiety states. Variability in extract composition highlights the necessity for standardisation and quality control to ensure consistent bioactivity. The global interest in plant‐based therapeutics positions Echinacea as a model for translating phytochemical diversity into safe and effective health interventions.
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Phytochemical Properties and Therapeutic Applications of Echinacea publication trend
The graph below shows the total number of articles in phytochemical properties and therapeutic applications of echinacea across all publications each year (not limited to Nature Index journals).
Technical terms
Alkamides: Lipophilic amides in Echinacea that modulate cannabinoid receptors and cytokine responses.
Phenolic acids: Antioxidant compounds (e.g. chicoric acid) that scavenge free radicals and reduce inflammation.
Polysaccharides: Complex carbohydrates that enhance innate immunity by stimulating macrophage activity.
Reactive oxygen species (ROS): Chemically reactive molecules whose overproduction contributes to oxidative stress.
Bioaccessibility: Fraction of a compound released from its matrix in the gastrointestinal tract and available for absorption.
Immunomodulation: Adjustment of immune responses via stimulation or suppression of specific pathways.
References
- Echinacea purpurea Fractions Represent Promising Plant-Based Anti-Inflammatory Formulations. Antioxidants (2023).
- Polyphenolic Characterization and Anti-Inflammatory Effect of In Vitro Digested Extracts of Echinacea purpurea L. Plant Parts in an Inflammatory Model of Human Colon Cells. International Journal of Molecular Sciences (2024).
- The Effects of Echinacea (EP107TM) on Anxiety: A Comparison of Anxiety Measures in a Randomized, Double Blind, Placebo-Controlled Study. Pharmaceuticals (2025).
- Echinacea Reduces Antibiotics by Preventing Respiratory Infections: A Meta-Analysis (ERA-PRIMA). Antibiotics (2024).
- Echinacea purpurea (L.) Moench: Biological and Pharmacological Properties. A Review. Plants (2022).
- Fructans as Immunomodulatory and Antiviral Agents: The Case of Echinacea. Biomolecules (2019).
- Alkylamides from Echinacea Are a New Class of Cannabinomimetics CANNABINOID TYPE 2 RECEPTOR-DEPENDENT AND -INDEPENDENT IMMUNOMODULATORY EFFECTS *. Journal of Biological Chemistry (2006).
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