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Σελίδα 1 από 47 Αποτελέσματα
Flavonoids from Erythrina schliebenii.
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Prenylated and O-methylflavonoids including one new pterocarpan (1), three new isoflavones (2-4), and nineteen known natural products (5-23) were isolated and identified from the root, stem bark, and leaf extracts of Erythrina schliebenii. The crude extracts and their constituents were evaluated for
Four new chalcones from Erythrina abyssinica.
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Four new chalcones 1 - 4, named abyssinones A - D, were isolated from the stem bark of the plant Erythrina abyssinica and their structures were elucidated on the basis of spectroscopic analyses. The compounds 1, 3, and 4 were found to exhibit moderate cytotoxic activity against the human colorectal
Alkaloids of genus Erythrina: An updated review.
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Genus Erythrina (Fabaceae) comprises several species, which are widely distributed in tropical and subtropical regions of the world. The plants of this genus exhibited significant role in traditional medicine targeting different diseases. Alkaloids and flavonoids were reported as the chief
Expression of Gal beta 1-4GlcNAc sequences by human gastrointestinal neoplasms and their precursors as detected by Erythrina cristagalli and Erythrina corallodendron lectins.
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Lectins from Erythrina cristagalli (EGA) and Erythrina corallodendron (ECorA) are well-known to detect type 2 chain oligosaccharides (Gal beta 1-4GlcNAc). These carbohydrate moieties are the biosynthetic precursors of various ABH and Lewis blood group antigens and are therefore also related to
Activity of three cytotoxic isoflavonoids from Erythrina excelsa and Erythrina senegalensis (neobavaisoflavone, sigmoidin H and isoneorautenol) toward multi-factorial drug resistant cancer cells.
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BACKGROUND
Resistance of cancer cells to chemotherapy has become a worldwide concern. Naturally occuring isoflavonoids possess a variety of biological activities including anti-cancer effects. The present study was aimed at investigating the cytotoxicity and the modes of action of three naturally
Estrogenic and Anti-estrogenic Constituents of Erythrina caffra.
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Utilizing the pER8:GUS transgenic plant bioassay system to monitor estrogenic activity-guided fractionation, one new constituent, erycaffrain A, together with I known compounds were isolated from the ethanolic extract of Erythrina caffra. The structures of the isolated compounds were identified in
Cytotoxic and PTP1B inhibitory activities from Erythrina abyssinica.
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Bioassay-guided fractionation of the EtOAc extract of the stem bark of Erythrina abyssinica (Leguminosae) resulted in the isolation of three new (1-3), along with 12 known (4-15) pterocarpan derivatives. Their chemical structures were determined by physicochemical and spectroscopic data analysis
[Anti-tumor activity of Erythrina variegata L. extract and its mechanism of action].
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The anti-tumor activities and mechanism of Erythrina variegata L. extract were investigated. Firstly, the MTT method was used to evaluate the inhibitory activity of the Erythrina variegata L. extract on proliferation of cancer cell lines. Moreover, in order to determine its anti-tumor effect in
Flavonoids and other Non-Alkaloidal Constituents of Genus Erythrina: Phytochemical Review
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Background: Genus Erythrina belongs to the family Fabaceae, which is widely distributed in tropical and subtropical areas. It has been used in both traditional herbal medicines and pharmacological applications. Original research articles and publications on the
Cytotoxicity induced by Erythrina variegata serine proteinase inhibitors in tumor hematopoietic stem cell lines.
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Based on the soluble MTT tetrazolium/formazan assay, we evaluated the cytotoxicity of Erythrina variegata proteinase inhibitors in some tumor hematopoietic stem cell lines. Among the proteinase inhibitors, EBI, which belongs to the Bowman-Birk family of inhibitors, was cytotoxic in relatively
Cytotoxic flavonoids and isoflavonoids from Erythrina sigmoidea towards multi-factorial drug resistant cancer cells.
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BACKGROUND
Continuous efforts from scientists of diverse fields are necessary not only to better understand the mechanism by which multidrug resistant (MDR) cancer cells occur, but also to boost the discovery of new cytotoxic compounds. This work was designed to assess the cytotoxicity and the
In vitro metabolism studies of erythraline, the major spiroalkaloid from Erythrina verna.
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BACKGROUND
Erythrina verna, popularly known as "mulungu", is a Brazilian medicinal plant used to treat anxiety. Erythrina alkaloids have been described in several species of Erythrina, which have biological and therapeutic properties well known that include anxiolytic and sedative
Assessing sub-Saharan Erythrina for efficacy: traditional uses, biological activities and phytochemistry.
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The genus Erythrina comprises more than 100 species, widely distributed in tropical and subtropical areas. In Africa, 31 wild species and 14 cultivated species have been described. In sub-Saharan Africa, Erythrina species are used to treat frequent parasitic and microbial diseases, inflammation,
Novel antioxidant peptides obtained by alcalase hydrolysis of Erythrina edulis (pajuro) protein.
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BACKGROUND
Oxidative reactions are responsible for the quality alteration during foods processing and storage. Also, oxidative stress is involved in multiple chronic diseases, such as cardiovascular and neurodegenerative disorders, diabetes, cancer, and aging. The consumption of dietary antioxidants
Unprecedented new nonadecyl para-hydroperoxycinnamate isolated from Erythrina excelsa and its cytotoxic activity.
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A new unprecedented cinnamate derivative (1) was obtained from Erythrina excelsa (Leguminosae) and identified as nonadecyl para-hydroperoxycinnamate. This compound was isolated together with three known compounds, namely lupeol (2), mixture of sitosterol and stigmasterol (3), and isoneorautenol (4).
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