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汉语拼音：lóng dǎn

1.多年生草本植物。叶对生，卵形或披针形。秋季开花﹐聚伞花序顶生，蓝紫色。中医以根入药。性寒味苦，主治黄疸﹑热痢﹑目赤﹑咽痛及小便热痛等症。参阅明李时珍《本草纲目．草二．龙胆》。

1. 多年生草本植物。叶对生，卵形或披针形。秋季开花，聚伞花序顶生，蓝紫色。中医以根入药。性寒味苦，主治黄疸、热痢、目赤、咽痛及小便热痛等症。参阅 明 李时珍 《本草纲目·草二·龙胆》。

• Conclusion: Gentianae decoction for purging liver fire could treat hyposomnia of liver fire harassing the heart effectively.

  结论：中药龙胆泻肝汤治疗肝火扰心型失眠能收到良好的临床效果。

• A novel monoterpenoid indole alkaloid-like was bio-mimetically synthesized from gentiopicrin and tryptamine with a "one pot" method.

  “一锅煮”法用龙胆苦苷与色胺发生仿生合成反应，得到一个结构新颖的拟单萜吲哚生物碱。

• Methods The distillation and water extraction alcoholic precipitation methods were used to prepare Longdancanger Mixture.

  方法采用蒸馏法与水提醇沉法相结合制备龙胆苍耳合剂；

• METHODS: Radix Gentiana was studied through literature researches, covering its plant resources, commodities and main forgeries .

  方法通过文献调研，了解龙胆的植物来源，辨识其商品及主要伪品。

• Result: The choices of extraction method and solvent on the content of gentiopicrin had no significant influence.

  结果：选择提取方法和溶剂对龙胆苦苷含量未有显著影响。

• "Look, gentian flowers are in full bloom. It's quite autumn now. " said Campanella , pointing out of the window.

  “你看，龙胆花都开了！已经深秋了啊！”康潘艾拉指着窗外说道。

• Conclusion the method of taking orally Longdan Xiegan decoction modified in an effective cure for a sudden-onset herpes zoster.

  结论口服龙胆泻肝汤加减，实为速治突发带状疱疹之效法之一。

• gentian of eastern North America having tubular blue or white flowers that open little if at all.

  北美东部的龙胆，花管状、蓝色或白色，花略开或不开。

• Objective: To develop a method to determine the content of gentiopicrin in Weining powder by HPLC.

  目的：采用高效液相色谱法测定胃宁散中龙胆苦苷的含量。