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    • 63. 发明专利
    • Production of arbutin
    • 生产ARBUTIN
    • JPS61124391A
    • 1986-06-12
    • JP24357984
    • 1984-11-16
    • Shiseido Co Ltd
    • YOKOYAMA MINEYUKI
    • C12P19/44C12R1/91
    • PURPOSE: To accumulate an extremely large amount of arbutin, and separate and obtain the arbutin, by adding hydroquinone to the medium for the tissue culture of callus or tumor tissue of Lochnera rosea.
      CONSTITUTION: The cell or tissue of the root, hypocotyl, cotyledon, etc. of the seedlings of Lochnera rosea is used as the starting material, and is cultured in a medium added with auxin or cytokinin by conventional process to induce a callus. The medium is usually the one prepared by mixing agar to Murashige- Skoog medium. The induced callus is subcultured in the above liquid medium free from agar, and cultured under shaking. The culture is carried out at 20W27°C with or without irradiation of light. The callus is subcultured to a fresh medium once a week. In the above process, hydroquinone is added to the medium after one week from the induction of callus at a concentration of ≤10mM, especially preferably 2W5mM, and the produced arbutin is separated from the cultured product.
      COPYRIGHT: (C)1986,JPO&Japio
    • 目的:积累极大量的熊果苷,并分离并获得熊果苷,将氢醌加入培养基中用于组织培养Lochnera rosea的愈伤组织或肿瘤组织。 构成:将罗汉果秧苗的根,下胚轴,子叶等细胞或组织用作起始原料,并通过常规方法在通过常规方法加入生长素或细胞分裂素的培养基中培养以诱导愈伤组织。 培养基通常是通过将琼脂与Murashige-Skoog培养基混合而成的。 将诱导的愈伤组织在不含琼脂的上述液体培养基中传代培养,并在振荡下培养。 培养在20-27摄氏度下进行或不用光照射。 将愈伤组织每周一次传代培养至新鲜培养基。 在上述过程中,将氢醌从诱导愈伤组织起一周后以浓度<10mM,特别优选2-5mM加入到培养基中,并将生产的熊果苷从培养产物中分离。