1. 毕业设计(论文)的内容、要求、设计方案、规划等
1.前言人参皂苷Rg3因其具有显著的抗肿瘤、防治心脑血管疾病和冠心病、抑制癌细胞转移、保肝、保护神经、提高免疫力等多种药理活性而被广泛研究。
然而Rg3不仅在天然人参中含量极其稀少,而且Rg3第20位的碳原子是手性碳,有两种旋光异构体:20(S)-Rg3和20(R)-Rg3。
两者之间的理化及药理性质又具有较大的差异,特别是20(S)-Rg3的水溶性和生物利用度远远高于20(R)-Rg3,因此选择性的开发高效制备20(S)-Rg3的方法有重要的实际应用价值。
2. 参考文献(不低于12篇)
[1] Mochizuki, M, Yung Choon YOO, Matsuzawa, K, Sato, et al. Inhibitory effect of tumor metastasis in mice by saponins, ginsenoside-Rb2, 20(R)- and 20(S)-ginsenoside-Rg3, of Red ginseng. Tokyo, JAPON: Pharmaceutical Society of Japan; 1995.
[2] Zhao L, Pang Q, Xie J, Pei J, Wang F, Fan S. Enzymatic properties of Thermoanaerobacterium thermosaccharolyticum beta-glucosidase fused to Clostridium cellulovorans cellulose binding domain and its application in hydrolysis of microcrystalline cellulose. BMC biotechnology. 2013;13:101.
[3] Quan L-H, Min J-W, Yang D-U, Kim Y-J, Yang D-C. Enzymatic biotransformation of ginsenoside Rb1 to 20 (S)-Rg3 by recombinant β-glucosidase from Microbacterium esteraromaticum. Applied microbiology and biotechnology. 2012;94:377-84.
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