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The essential oil of Senecio graveolens (Compositae): chemical composition and antimicrobial activity tests.
The chemical composition of the essential oil obtained from Senecio graveolens (Compositae) was analyzed by GLC-MS and the components identified were: isovaleraldehyde, alpha-pinene,Expand
Anticholinesterase activity in an alkaloid extract of Huperzia saururus.
Huperzia saururus (Lam.) Trevis. (Lycopodiaceae) is used widely in Argentinian traditional medicine as an aphrodisiac and for memory improvement. An aqueous extract from the aerial parts was obtainedExpand
Pharmacological and toxicological activity of Heterophyllaea pustulata anthraquinone extracts.
Benzenic extracts from both stems and leaves of Heterophyllaea pustulata showed the most significant activity in vivo in the Brine Shrimp Lethally Test (BST), relative to others of differentExpand
Study of the interaction of Huperzia saururus Lycopodium alkaloids with the acetylcholinesterase enzyme.
In the present study, we describe and compare the binding modes of three Lycopodium alkaloids (sauroine, 6-hydroxylycopodine and sauroxine; isolated from Huperzia saururus) and huperzine A with theExpand
Anticoagulant effect and action mechanism of sulphated flavonoids from Flaveria bidentis.
Quercetin 3-acetyl-7,3',4'-trisulphate (ATS) and quercetin 3,7,3',4'-tetrasulphate (QTS) obtained from Flaveria bidentis (Asteraceae) were investigated in vitro for anticoagulant activity. ThreeExpand
Inhibitory effects of sulphated flavonoids isolated from Flaveria bidentis on platelet aggregation.
Flaveria bidentis is a plant species that has as major constituents sulphated flavonoids in the highest degree of sulphatation. Among them, quercetin 3,7,3',4'-tetrasulphate (QTS) and quercetinExpand
Anthraquinone derivatives from Heterophyllaea pustulata.
From the leaves of Heterophyllaea pustulata two new monomeric anthraquinones, heterophylline (1,6-dihydroxy-7-methoxy-2-methylanthraquinone, 1) and pustulineExpand
Microcystis aeruginosa: behaviour and toxic features in San Roque Dam (Argentina).
M. aeruginosa is a cyanophyte frequently found in the water at the San Roque Dam (raw water supply conditioned for human use in Córdoba city) that causes a bad smell and taste, as well as potentialExpand
N-Demethyl-sauroxine, a novel Lycodine Group alkaloid from Huperzia saururus
Abstract The present study describes the isolation and identification of N -demethyl-sauroxine, a novel Lycopodium alkaloid obtained from Huperzia saururus (Lam.) Trevis. (Lycopodiaceae). ItsExpand
Amino acid content and acetylcholinesterase inhibition of Huperzia saururus infusion and decoction
Abstract Context. Huperzia saururus (Lam.) Trevis. (Lycopodiaceae), an autochthonous plant species in Argentina, is used as a memory improver in traditional medicine. It was studied for this reasonExpand