摘要
目的:对银杏及其制剂质量的系列研究.方法:①采用酸水解-液相色谱法,测定了不同季节银杏叶内、雌雄银杏树叶内、不同土质生长的银杏树叶内、不同部位银杏树内黄酮的含量;②采用紫外法对数家药厂银杏制剂片剂的含量及稳定性进行了研究.结果:①黄酮含量差异很大;②部分厂家银杏片剂的总黄酮含量低得惊人,为不合格产品.结论:稳定性研究结果:片剂有效期为2.3年.
OBJECTIVE: Series study of Ginkgo Biloba and its preparation. METHODS: 1. using the method of acidolysis - HPLC.the content of flavontrin in Ginkgo's leaf,branch,trunk,bud,male and female tree,which were collected in different soil and season, was determined. 2. the content of Ginkgo Biloba flavontrin in tablet produced by 5 pharmaceutical factory were also determined by UV. RESULTS: 1. the result differ greatly. 2. the content of flavontrin in three tablet were very low.CONCLUSION:Study of tablet's stability shows:its validity was 2.3y.
出处
《中国现代应用药学》
CAS
CSCD
1998年第5期11-13,共3页
Chinese Journal of Modern Applied Pharmacy
