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dracaena angustifolia/siliciumdioxid
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3 resultater
[Antibacterial components from artificially induced dragon's blood of Dracaena cambodiana].
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Ten compounds were isolated from the artificially induced dragon's blood of Dracaena cambodiana by various column chromatographies on silica and sephadex LH-20 gel. Based on spectral analysis of NMR and MS, their structures were identified as 3, 4-dihydroxyallylbenzene (1), 3', 4',
[LC-MS guided isolation of two anti-inflammatory cyclic dihydrochalcane trimers from Chinese dragon's blood].
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As an important integral part of traditional Chinese medicine chemical biology( TCMCB),it is of great importance to rapid isolate,and reliably identify the chemical components in herbal medicines. Phytochemical studies on the anti-inflammatory active part of Chinese dragon's blood,the red resin of
[Cochinchinenin--a new chalcone dimer from the Chinese dragon blood].
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OBJECTIVE
To study the active constituents of Dracaena cochinchinensis (Lour.) S.C. Chen. in the commercial dragon blood.
METHODS
Various column chromatographies with Sephadex L-20 gel, MCI gel and silica gel were employed for the isolation and purification. The structures of compounds were
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