Method of analgesia
    3.
    发明授权
    Method of analgesia 有权
    镇痛方法

    公开(公告)号:US06407088B1

    公开(公告)日:2002-06-18

    申请号:US09695053

    申请日:2000-10-25

    IPC分类号: A61K3133

    摘要: This invention relates to a method of producing analgesia in a mammal experiencing pain by systemically administering an effective amount of a composition comprising essentially of a sodium channel blocking compound, in a suitable pharmaceutical vehicle, to alleviate the pain.

    摘要翻译: 本发明涉及通过在合适的药物载体中全面施用有效量的基本上由钠通道阻断化合物组成的组合物来减轻疼痛的方法,在经历疼痛的哺乳动物中产生止痛的方法。

    Method of extracting tetrodotoxin
    8.
    发明授权
    Method of extracting tetrodotoxin 失效
    提取河豚毒素的方法

    公开(公告)号:US06552191B1

    公开(公告)日:2003-04-22

    申请号:US09695711

    申请日:2000-10-25

    IPC分类号: C07D49120

    CPC分类号: C07D491/18

    摘要: The present invention relates to a new process of extracting tetrodotoxin from the tissues of an organism. The invention provides increased yield of tetrodotoxin from animal tissues. In the invention, a lixiviated solution is obtained by soaking the tissues with water and a weak organic acid. Soluble proteins are removed by heating the lixiviated solution at a temperature below the boiling point. After pH adjustment, the solution is passed through a cation exchange column. Inorganic salts and alkaline amino acids are removed, and then the tetrodotoxin is adsorbed and eluted from activated carbon. The tetrodotoxin is crystallized by adjusting the pH to 8-10.

    摘要翻译: 本发明涉及从生物体的组织中提取河豚毒素的新方法。 本发明提供了来自动物组织的河豚毒素的增加的产量。 在本发明中,通过用水和弱有机酸浸泡组织来获得浸渍溶液。 通过在低于沸点的温度下加热浸渍溶液来除去可溶性蛋白质。 pH调节后,溶液通过阳离子交换柱。 去除无机盐和碱性氨基酸,然后从活性炭吸附和洗脱河豚毒素。 通过将pH调节至8-10,使河豚毒素结晶。