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Vinorelbine Tartrate
Vinorelbine is a vinca alkaloid, which is prepared by extraction from vinca rosea and chemical semi-synthesis. It is the drug of choice for the treatment of small cell lung cancer and advanced breast carcinoma. Vinorelbine has a direct activity on dynamic equilibrium of tubulin, especially on division stage of tubulin. It influences on tubulin in axon only at its higher concentration and its activity on helical structure of tubulin is less the vincristine. Used for preparation of vinorelbine bitartrate for injections. |
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Vincristine sulfate
Action and indications: Vincristine sulfate is an alkaloid extracted from vinca rosea. As a cell cycle specific drug, it can inhibit growth of neoplasm and formation of proliferating cell spindle, as a result, mitosis is stopped at its metaphase. Clinically, it is similar to vinblastine sulfate with better effects, however, no cross tolerance is found between the two drugs. It is more effective in the treatment of various acute leukemia, especially acute lymphoblastic leukemia. In addition, it has some effect for malignant lymphoma, chorioepithelioma, breast carcinoma, neuroblastoma, nephroblastoma, brain tumors, lung cancer, leiomyosarcoma, cervix cancer and alimentary tract tumor. Usage: Used for preparation of vincristine sulfate for injections. |
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Curcumin 98%
It is the orange yellow crystallization powder , its melting point 179 -183 .it can not be dissolvesd in water and the alcohol ,dissolved into the enyl alcohol and the glacial sacetic acid. It assumes the sorrel under and alkalinity condition, its reducing agent ability is stronger , its ability which mix with protein affinity is wanderful extremely, it is not to be easy discoloration when to be colored, but it is sensitive for light, hard ion, but its ability of anti-light and hard ion is worse. Its has higher stability under the temperature of high boiling point. |