OBJECTIVE
To study the chemical constituents in the heartwood of Taxus cuspidata.
METHODS
Silica gel column chromatography, preparative HPLC and preparative TLC were used to isolate and purify the chemical constituents; 1H- and 13C-NMR spectroscopic methods were used for structural
Seventeen known taxoids and 10 abietanes were isolated from the dark brown callus culture of Taxus cuspidata cultivated on a modified Gamborg's B5 medium with 0.5 or 1.0 mg/L NAA. Seven known taxoids and four abietanes were obtained from the callus culture incubated under light irradiation on the
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