dracaena kaweesakii/silica

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',

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

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