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Recent advances in the investigation of curcuminoids
More than 30 Curcuma species (Zingiberaceae) are found in Asia, where the rhizomes of these plants are used as both food and medicine, such as in traditional Chinese medicine. The plants are usuallyExpand
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Plant-derived natural product research aimed at new drug discovery
Many important bioactive compounds have been discovered from natural sources using bioactivity-directed fractionation and isolation (BDFl) [Balunas MJ, Kinghorn AD (2005) Drug discovery fromExpand
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Cytotoxic flavonoids from Vitex agnus-castus.
Four new flavonoids, luteolin 6-C-(4"-methyl-6"-O-trans-caffeoylglucoside), luteolin 6-C-(6"-O-trans-caffeoylglucoside), luteolin 6-C-(2"-O-trans-caffeoylglucoside), and luteolinExpand
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Cytotoxic diterpenes from the rhizomes of Hedychium coronarium.
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Phenolic compounds from the rhizomes of Alpinia speciosa
From the rhizomes of Alpinia speciosa, a new dihydrochalcone, dihydroflavokawin B, has been isolated together with six known phenolic compounds. The chemotaxonomic significance of these findings isExpand
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Cytotoxic quassinoids from Simaba cedron.
Four new quassinoids, cedronolactones A-D (1-4), together with nine known compounds, simalikalactone D (5), chaparrinone (6), chaparrin (7), glaucarubolone (8), glaucarubol (9), samaderine Z (10),Expand
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Triterpenoids of Paeonia japonica callus tissue
Abstract Six triterpenes were isolated from Paeonia japonica tissue culture. The structures were determined by spectral methods to be oleanolic acid, hederagenin, betulinic acid, 24-cycloartanol,Expand
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Structures and cytotoxic activity relationship of casearins, new clerodane diterpenes from Casearia sylvestris Sw.
Casearins G-R, new cytotoxic clerodane diterpenes have been isolated from the leaves of Casearia sylvestris Sw. (Flacourtiaceae). Their structures have been elucidated by spectroscopic methods andExpand
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Studies on the Constituents of the Seeds of Alpinia katsumadai HAYATA
Four new diarylheptanoids [(5R)-trans-1, 7-diphenyl-5-hydroxy-6-hepten-3-one (VIIa), (3S, 5S)-trans-1, 7-diphenyl-3, 5-dihydroxy-1-heptene (VIIIa), trans-1, 7-diphenyl-5-hydroxy-1-heptene (IX) andExpand
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Antitumor principles from Ginkgo biloba L.
Seven long-chain phenols were isolated from Ginkgo biloba L. Three of them, anacardic acid (Ib), bilobol (IIa), and cardanol (IIIa), showed antitumor activity against Sarcoma 180 ascites in mice. TheExpand
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