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1·Dracaena people who can resist high purity.

龙血纯度高的人才能抵抗。

2·At present, it is mainly extracted from Dracaena Draco linn.

目前血竭的生产主要是从龙血树中提炼而成。

3·Objective:To screen the antitumor extract from Dracaena cambodiana Pierre ex Gagnep.

目的：筛选海南龙血树的抗肿瘤活性部位。

4·Conclusion the method provides a reliable approach to prepare the serum containing Dracaena.

结论本法可作为龙血竭含药血清的制备方法。

5·The research progress on the Dracaena cochinchinensis in recent years, including Chemical Constituents and bioactivities is reviewed.

综述了近年来广西龙血树血竭化学成分及药理学研究进展。