Novel triterpenoid derivatives from Eucomis bicolor Bak. (Hyacinthaceae: Hyacinthoideae)

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منابع مشابه

Novel triterpenoid derivatives from Eucomis bicolor Bak. (Hyacinthaceae: Hyacinthoideae)

Department of Chemistry, Faculty of Engine Surrey, Guildford, GU2 7XH, Surrey, UK. E-m (0)1483686751 School of Chemistry and Physics, University Africa Biodiversity Economy Unit, South African 52099, Berea Road 4007, Durban, South Afr Université de Reims Champagne-Ardenne, CNRS UMR 7312, SFR CAP-Santé, BP 1039, † Electronic supplementary informa 10.1039/c6ra28584h Cite this: RSC Adv., 2017, 7, ...

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The phytochemistry and ethnobotany of the southern African genus Eucomis (Hyacinthaceae: Hyacinthoideae)

The endemic African genus Eucomis (Hyacinthaceae) has long been one of the most highly regarded sources of ethnomedicines in southern Africa, attracting the attentions of toxicologists, pharmacologists and phytochemists. This chapter reviews the ethnobotany of this small group of fourteen described taxa (ten species), and the known phytochemistry. Six taxa (five species) have been recorded used...

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COX-2 inhibitory activity of homoisoflavanones and xanthones from the bulbs of the Southern African Ledebouria socialis and Ledebouria ovatifolia (Hyacinthaceae: Hyacinthoideae).

The bulbs of Ledebouria socialis (Hyacinthaceae) yielded the benzocyclobutene homoisoflavonoid, (R)-2',5-dihydroxy-3',4',7-trimethoxyspiro{2H-1-benzopyran-3-(4H)-9-bicyclo[4.2.0]octa[1,3,5]triene}-4-one, socialinone (1). Ledebouria ovatifolia yielded (2ε,3R)-2,5-dihydroxy-7-methoxyspiro[2H-1-benzopyran-3(4H), 5'(6'H)-cyclobuta[f][1,3]benzodioxol]-4-one (2) and the homoisoflavanone, (E)-3-(3',4'...

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The novel triterpenoid CDDO and its derivatives induce apoptosis by disruption of intracellular redox balance.

The novel oleanane triterpenoid 2-cyano-3,12-dioxoolean-1,9-dien-28-oic acid (CDDO) induces apoptosis of human leukemia cells by activation of the extrinsic caspase-8 pathway. The mechanisms responsible for the proapoptotic effects of CDDO are unknown. The present studies demonstrate that CDDO activates the c-Jun NH(2)-terminal kinase and p38 mitogen-activated protein kinase in U-937 leukemia c...

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Triterpenoid glycosides from Adina rubella.

From the roots of Adina rubella, four new quinovic acid glycosides, quinovic acid 3-O-beta-D-glucopyranosyl(1-->4)-beta-D-fucopyranoside, quinovic acid 3-O-beta-D-glucopyranosyl(1-->4)-beta-D-fucopyranosyl-(28-->1)-beta-D- glucopyranosyl ester, quinovic acid 3-O-beta-D-glucopyranosyl(1-->4)-alpha-L-rhamnopyranosyl-(28-->1) -beta-D-glucopyranosyl ester and quinovic acid 3-O-beta-D-glucopyranosyl...

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ژورنال

عنوان ژورنال: RSC Advances

سال: 2017

ISSN: 2046-2069

DOI: 10.1039/c6ra28584h