| 1. | Selective acetylcholinesterase inhibition of huperzine a and its cognitive enhancement effect
石杉碱甲对乙酰胆碱酯酶活性选择性抑制作用及促智作用 |
| 2. | Huperzine a for improving the memory and cognitive function in patients with organic brain diseases
石杉碱甲治疗改善脑器质性疾病患者的记忆和认知功能 |
| 3. | Nilestriol combined with huperzine in improving cognition of female patients with alzheimer ' s disease
尼尔雌醇并石杉碱甲改善阿尔茨海默病患者认知功能的研究 |
| 4. | 2 studies on content of main constituents : 1 ) a method of hplc was set up to assay the content of hup
2 、主要成分含量研究： 1 )建立了hplc测定皱边石杉中石杉碱甲含量的方法。 |
| 5. | With the aging of population and rising incidence of ad , more and more huperzine a is needed
随着当今社会人口老龄化，老年痴呆症发病率不断上升，市场对石杉碱甲的需求量越来越大。 |
| 6. | The total chemical synthesis , structural modification and structure - activity relationship of huperzine a have been systematically reviewed
本文系统地综述了石杉碱甲的全合成方法、结构改造工作及构效关系的研究。 |
| 7. | The result showed the content of hup . a in h . crispate was higher than that in h . serrata written in literature . the content of hup . a varied in different samples
皱边石杉中石杉碱甲在不同的季节内含量变化不大：石杉碱甲在皱边石杉中的含量以春季含量最高。 |
| 8. | So it is worthwhile discovering the new sources of huperzine a . there is not any report on the isolation of huperzine a from other kinds of plants of huperzia genus except h . serrata
因此寻找石杉碱甲新的资源是值得研究的课题。目前还没有从石杉属其它植物中分离得到石杉碱甲的报道。 |
| 9. | Huperzine a has been shown to be a powerful selective inhibitor of acetylcholinesterase and has attracted widespread attention because of its unique pharmacological profile and low toxicity
摘要石杉碱甲是一高效、高选择性乙酰胆碱酯酶抑制剂，由于其独特的药理特徵和低毒性，引起了人们的广泛注意。 |
| 10. | By far , there is n ' t any synthetic huperzine a whose activity is equal to that of the natural huperzine a . the amount of h . serrata in the whole of nature can hardly meet the demand of the market
但迄今为止，还没有合成出其活性与天然石杉碱甲相当的化合物。而蛇足石杉的野生资源远不能满足市场需求。 |
