To explore the inhibiting tumor effect of D.denneanum in vivo.The tumor S180 loading mouse model was established.Investigated the antitumor activity of D.denneanum by observing the tumor、spleen and thymus weight of t...To explore the inhibiting tumor effect of D.denneanum in vivo.The tumor S180 loading mouse model was established.Investigated the antitumor activity of D.denneanum by observing the tumor、spleen and thymus weight of these mice after administrating the drug for 10 days.Results: The ratio of inhibiting tumor of polysaccharides are over 50%,the ratio of inhibiting tumor of ethanol extracts are 64.81%,57.26%.Compared with the positive group,the index of spleen and the index of thymus of polysaccharides have obviously rise.Conclusion: The polysaccharides of D.denneanum can inhibiting tumor and advance immunity of mouse bearing tumor.The ethanol extracts of D.denneanum can inhibiting tumor too,and can advance immunity of mouse bearing tumor in some degree.展开更多
目的优选超声波辅助热回流法提取马鞭石斛多糖工艺。方法以多糖的提取率作为指标,通过单因素及正交实验对提取工艺进行优化,主要考察因素为提取时间、温度和次数。结果超声波辅助热回流提取马鞭石斛多糖的最优工艺条件:温度95℃,时间16 ...目的优选超声波辅助热回流法提取马鞭石斛多糖工艺。方法以多糖的提取率作为指标,通过单因素及正交实验对提取工艺进行优化,主要考察因素为提取时间、温度和次数。结果超声波辅助热回流提取马鞭石斛多糖的最优工艺条件:温度95℃,时间16 m in,提取4次,采用此工艺提取的马鞭石斛多糖提取率为(18.64±0.396)%,显著高于传统热回流法的提取率。结论该工艺具有良好的精密度和稳定性,重复性好,适用于马鞭石斛多糖的提取。展开更多
文摘To explore the inhibiting tumor effect of D.denneanum in vivo.The tumor S180 loading mouse model was established.Investigated the antitumor activity of D.denneanum by observing the tumor、spleen and thymus weight of these mice after administrating the drug for 10 days.Results: The ratio of inhibiting tumor of polysaccharides are over 50%,the ratio of inhibiting tumor of ethanol extracts are 64.81%,57.26%.Compared with the positive group,the index of spleen and the index of thymus of polysaccharides have obviously rise.Conclusion: The polysaccharides of D.denneanum can inhibiting tumor and advance immunity of mouse bearing tumor.The ethanol extracts of D.denneanum can inhibiting tumor too,and can advance immunity of mouse bearing tumor in some degree.
文摘目的优选超声波辅助热回流法提取马鞭石斛多糖工艺。方法以多糖的提取率作为指标,通过单因素及正交实验对提取工艺进行优化,主要考察因素为提取时间、温度和次数。结果超声波辅助热回流提取马鞭石斛多糖的最优工艺条件:温度95℃,时间16 m in,提取4次,采用此工艺提取的马鞭石斛多糖提取率为(18.64±0.396)%,显著高于传统热回流法的提取率。结论该工艺具有良好的精密度和稳定性,重复性好,适用于马鞭石斛多糖的提取。
