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Flavonoid constituents from Algerian Launaea resedifolia (O.K.) and their antimicrobial activity.
A chemical investigation of the aerial parts of Launea resedifolia (O.K.) afforded four flavonoids, apigenin 1, luteolin 2, apigenin 7-O-β-glucoside 3 and apigenin 7-O-β-glucuronide 4. The structuresExpand
Biological properties of propolis extracts: Something new from an ancient product.
Natural products are an interesting source of new therapeutics, especially for cancer therapy as 70% of them have botany origin. Propolis, a resinous mixture that honey bees collect and transformExpand
Essential oil of Hertia cheirifolia leaves : chemical composition , antibacterial and antioxidant activities
The essential oils obtained by hydrodistillation of Hertia cheirifolia leaves were analyzed by GC/MS analysis. Sixty two compounds were identified representing 78.29% of the total oil. The mainExpand
Ferulsinaic acid, a sesquiterpene coumarin with a rare carbon skeleton from Ferula species.
Fractionation of methylene chloride extracts of the resin of Ferula vesceritensis and F. sinaica afforded three sesquiterpene coumarins and a glucose derivative. One of them was a sesquiterpene withExpand
Flavonoids from Algerian propolis
Abstract The investigation of propolis collected from Jijel, located in the northern-east part from Algeria afforded five flavones: pectolinarigenin ( 1 ), pilosin ( 2 ), ladanein ( 3 ), Chrysin ( 4Expand
Chemical constituents of the roots of Algerian Bunium incrassatum and evaluation of its antimicrobial activity
Abstract In this study we investigated the chemical composition of the roots of Bunium incrassatum growing in Algeria; two coumarins, β-sitosterol, sucrose and oleic acid were isolated from methyleneExpand
Chemical composition, antioxidant, anticholinesterase, antimicrobial and antibiofilm activities of essential oil and methanolic extract of Anthemis stiparum subsp. sabulicola (Pomel) Oberpr.
Anthemis species are traditionally used to treat infectious and inflammatory processes, among others clinical disturbances. In the current study, the chemical composition, the total phenolic andExpand
Chemical composition and antibacterial activity of the essential oils from Launaea resedifolia L
The chemical composition of essential oils from Launaea resedifolia has been identified using the ordinary GC-MS technique to reveal the presence of 19 compounds dominated by dioctyl phthalate and it was found that the oils are active against most of the tested bacterial strains. Expand
Triterpenes from Euphorbia rigida
The structures and relative stereochemistry were determined on the basis of extensive spectroscopic analyses, including 1D and 2D NMR experiments (1H N MR, 13C NMR, COSY, NOESY, HMQC and HMBC). Expand
Phytochemical study of the aerial parts of Foeniculum vulgare led to the isolation of seven compounds isolated for the first time from this species. After isolation and purification, theseExpand