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Two novel sesquiterpene lactones, cytotoxic vernolide-A and -B, from Vernonia cinerea.
  • Y. Kuo, Y. Kuo, +6 authors S. Li
  • Chemistry, Medicine
  • Chemical & pharmaceutical bulletin
  • 1 April 2003
Bioassay-directed fractionation of an ethanolic extract of stems of Vernonia cinerea has resulted in the isolation of two novel sesquiterpene lactones, vernolide-A and -B. Their structures wereExpand
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New diterpenes from the heartwood of Chamaecyparis obtusa var. formosana.
An abietane diterpene, 11,14-dihydroxy-8,11,13-abietatrien-7-one (1); a seco-abietane diterpene, obtuanhydride (2); and an isopimarane diterpene, 18,19-O-isopropylidene-18,Expand
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Cytotoxic constituents from Podocarpus fasciculus.
A new diterpene, 16-hydroxy communic acid (1), along with thirty one known compounds including five norditerpenes (2-6), twenty two flavonoids containing four biflavonoids (7-10), nine monoflavonoidsExpand
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A novel cytotoxic C-methylated biflavone from the stem of Cephalotaxus wilsoniana.
Bioassay-directed fractionation of an ethanolic extract of Cephalotaxus wilsoniana has resulted in the isolation of a novel C-methylated biflavone, taiwanhomoflavone-A (1). Its structure wasExpand
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Antitumour and anti-AIDS triterpenes from Celastrus hindsii.
Four new triterpene compounds, celasdin-A, celasdin-C, anti-AIDS celasdin-B and cytotoxic maytenfolone-A, were isolated from Celastrus hindsii. The structural determination of maytenfolone-A,Expand
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Flavanone and diphenylpropane glycosides and glycosidic acyl esters from Viscum articulatum.
Seven new compounds including three flavanone glycosides, visartisides A-C (1-3), three glycoside acyl esters, visartisides D-F (4-6), and one diphenylpropane glycoside,Expand
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Taraxastane-type triterpenes from the aerial roots of Ficus microcarpa.
Seven new taraxastane-type triterpenes-20-taraxastene-3beta, 22alpha-diol (1), 3beta-acetoxy-20-taraxasten-22alpha-ol (2), 3beta-acetoxy-22alpha-methoxy-20-taraxastene (3),Expand
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Characterization of electrospun nanofiber matrices made of collagen blends as potential skin substitutes.
Collagen and its blends, collagen/polyvinyl alcohol (PVA) and collagen/chitosan/PVA, were made into nanofibers by electrospinning. The nanofibrous matrices were evaluated for their potential as skinExpand
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Plant Regeneration from St. Augustinegrass Immature Embryo-Derived Callus
Development of efficient methods for plant regeneration from callus broadens the opportunities for genetic manipulation of new turfgrass selections through tissue culture. This study was conducted toExpand
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Labdane diterpenoid glycosides from Alpinia densespicata and their nitric oxide inhibitory activities in macrophages.
Four new labdane diterpene glycosides (1-4) named alpindenosides A, B, C, and D, two new norditerpene glycosides (5, 6) named noralpindenosides A and B, and three known flavonoid glycosides (7-9)Expand
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