Extraction of alkaloids of Catharanthus roseus tissue
    1.
    发明授权
    Extraction of alkaloids of Catharanthus roseus tissue 失效
    长春花提取生物碱

    公开(公告)号:US4831133A

    公开(公告)日:1989-05-16

    申请号:US45621

    申请日:1987-05-01

    CPC分类号: C07D519/04

    摘要: Alkaloids present in Catharanthus roseus tissue are selectively concentrated by aqueous extraction of ground tissue followed by extraction with organic solvent e.g. ethyl acetate. The resultant concentrate is rich in catharanthine, vindoline and 3',4'-anhydrovinblastine (AVLB). Yield of AVLB is enhanced by addition to the aqueous extraction medium of acid, salt, or hydrogen peroxide and can be further enhanced through the addition of sodium borohydride.

    摘要翻译: 存在于长春花长春花组织中的生物碱通过水溶液萃取研磨组织进行选择性浓缩,然后用有机溶剂萃取。 乙酸乙酯。 所得浓缩物富含长春花,维林达诺和3',4'-脱氢长春花碱(AVLB)。 通过加入酸,盐或过氧化氢的水性萃取介质来提高AVLB的产率,并且可以通过加入硼氢化钠进一步增强产率。

    Ovarian cancer ascites factor, in isolated form
    4.
    发明授权
    Ovarian cancer ascites factor, in isolated form 失效
    卵巢癌腹水因子,分离形式

    公开(公告)号:US5277917A

    公开(公告)日:1994-01-11

    申请号:US41974

    申请日:1993-04-02

    CPC分类号: A61K35/13

    摘要: Herein described is an ovarian cancer activating factor that has been isolated from ovarian cancer ascites fluid. The factor may be utilized in its isolated form in a screening program aimed at identifying inhibitors of factor-mediated ovarian cancer activation, or as a growth supplement useful for culturing ovarian and other cancer cell lines.

    摘要翻译: 本文描述了已经从卵巢癌腹水中分离的卵巢癌激活因子。 该因子可以以其分离形式用于旨在鉴定因子介导的卵巢癌激活的抑制剂的筛选程序中,或作为用于培养卵巢癌和其它癌细胞系的生长补体。