natural-product-pharmacology
Natural product pharmacology is the scientific study of bioactive compounds derived from living organisms—particularly plants—and their mechanisms of action, therapeutic potential, and physiological effects. Plants have evolved an extraordinary diversity of secondary metabolites, including alkaloids, terpenoids, and flavonoids, that serve as a rich source of drug candidates and biochemical tools. Understanding how these compounds interact with biological targets not only accelerates drug discovery but also illuminates the ecological roles these molecules play in plant defense, signaling, and adaptation.
PubMed · 2026-03-25
Leaves from Berchemia kulingensis, a plant traditionally brewed as a tea for joint pain in China, show measurable anti-inflammatory effects in rats with gout-like arthritis, pointing toward a scientific basis for its folk medicinal use.
BK-leaf extract significantly reduced key inflammatory markers in rats with gouty arthritis, including TNF-α, IL-1β, IL-6, IL-8, COX-2, and MMP-9 (p < 0.05 to p < 0.001).
The extract suppressed the TLR4-NF-κB signaling pathway by inhibiting NLRP3, TLR4, p65, IKKα/β, and STAT3 phosphorylation while upregulating the anti-inflammatory protein IκBα.
BK-leaf extract also inhibited xanthine oxidase (XO) activity in vitro, an enzyme central to uric acid production and gout pathology (p < 0.05 to p < 0.001).