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Open AccessAnti-plasmodial activity of Dicoma tomentosa (Asteraceae) and identification of urospermal A-15-O-acetate as the main active compound
Natural products could play an important role in the challenge to discover new anti-malarial drugs. In a previous study, Dicoma tomentosa (Asteraceae) was selected for its promising anti-plasmodial activity after...
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Article
Discovery of a natural thiamine adenine nucleotide
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Article
Open AccessInhibitory effects of proanthocyanidins from Ribes nigrum leaves on carrageenin acute inflammatory reactions induced in rats
The anti-inflammatory effects of proanthocyanidins (PACs), isolated from blackcurrant (Ribes nigrum L.) leaves, were analysed using carrageenin-induced paw oedema and carrageenin-induced pleurisy in rats.
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Article
Bisindole alkaloids from Strychnos guianensis are effective antagonists of nicotinic acetylcholine receptors in cultured human TE671 cells
Several mono- and bisindole quaternary alkaloids isolated from the stem bark of Strychnos guianensis have recently been shown to be effective blockers of neuromuscular transmission in mice. In this study, we used...
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Article
Apoptosis induction in human cancer cells by sungucine from Strychnos icaja root
Sungucine (SG) and isosungucine (ISG) are bisindole alkaloids characterized by a 5'-23 link between the two parts of the compounds, which are till now specific to Strychnos icaja. In this work, SG and ISG were su...
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Article
Effects of prodelphinidins isolated from Ribes nigrum on chondrocyte metabolism and COX activity
Articular diseases, such as osteoarthritis, is the clinical expression of the loss of cartilage function. COX inhibitors are widely used in the treatment of such pathologies for their beneficial effects on in...