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Cytotoxic xanthone constituents of the stem bark of Garcinia mangostana (mangosteen).
Bioassay-guided fractionation of a chloroform-soluble extract of Garcinia mangostana stem bark, using the HT-29 human colon cancer cell line and an enzyme-based ELISA NF-kappaB assay, led to theExpand
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Bioassay-guided isolation of constituents of Piper sarmentosum using a mitochondrial transmembrane potential assay.
Bioassay-guided fractionation was conducted on a chloroform-soluble extract of the aerial parts of Piper sarmentosum collected in Vietnam, monitored by a mitochondrial transmembrane potential assayExpand
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Isolation and characterization of minor analogues of silvestrol and other constituents from a large-scale re-collection of Aglaia foveolata.
Two new minor silvestrol analogues [2'''-episilvestrol (1) and 2''',5'''-diepisilvestrol (2)], together with a new 21-norbaccharane-type triterpene (3), two new 3,4-secodammarane triterpenes (4 andExpand
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Proteasome-inhibitory and cytotoxic constituents of Garcinia lateriflora: absolute configuration of caged xanthones.
A new biflavonoid (1), a new xanthone enantiomer (2), five new caged xanthones (3-7), and several known compounds were isolated from the stem bark of Garcinia lateriflora, collected in Indonesia. TheExpand
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Cytotoxic and NF-κB inhibitory sesquiterpene lactones from Piptocoma rufescens.
Six new (1-6) and eight known germacranolide-type sesquiterpene lactones, along with several known phenylpropanol coumarates and methylated flavonoids, were isolated from the leaves of PiptocomaExpand
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Bioactive flavaglines and other constituents isolated from Aglaia perviridis.
Eight new compounds, including two cyclopenta[b]benzopyran derivatives (1, 2), two cyclopenta[b]benzofuran derivatives (3, 4), three cycloartane triterpenoids (5-7), and an apocarotenoid (8),Expand
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Cytotoxic and NF-kappaB inhibitory constituents of Artocarpus rigida.
Four new prenylated flavonoids (1-4), a new stilbenoid (5), and nine known compounds were isolated from the twigs of Artocarpus rigida, collected in Indonesia. The structures of the new compoundsExpand
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Investigation of antimicrobial and protease-inhibitory activity from cultured cyanobacteria
A culture collection of cyanobacteria has been established at the University of Illinois at Chicago. This collection includes marine, terrestrial, and freshwater strains and contains representativesExpand
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Isolation, structure elucidation, and biological evaluation of 16,23-epoxycucurbitacin constituents from Eleaocarpus chinensis.
Eight new 16,23-epoxycucurbitacin derivatives, designated as elaeocarpucins A-H (1-8), and five known cucurbitacins (9-13) were isolated from the chloroform-soluble partitions of separate methanolExpand
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Isolation of Bioactive Rotenoids and Isoflavonoids from the Fruits of Millettia caerulea.
Three new rotenoids (1-3), two new isoflavonoids (4 and 5), and six known analogues (6-11) were isolated from an n-hexane partition of a methanol extract of the fruits of Millettia caerulea, with theExpand
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