检索规则说明:AND代表“并且”;OR代表“或者”;NOT代表“不包含”;(注意必须大写,运算符两边需空一格)
检 索 范 例 :范例一: (K=图书馆学 OR K=情报学) AND A=范并思 范例二:J=计算机应用与软件 AND (U=C++ OR U=Basic) NOT M=Visual
作 者:王威[1] 闫喜英[1] 叶龙风 刘继华[1] 王永奇[1]
出 处:《中成药》2000年第4期259-261,共3页Chinese Traditional Patent Medicine
摘 要:目的 :研究射干中总黄酮的提取工艺。方法 :采用正交试验法进行优选 ,紫外分光光度法测定总黄酮含量。结果 :提取时间、乙醇用量和乙醇浓度对提取有非常显著性和显著性影响。结论 :最佳提取工艺为药材 8倍量 80 %乙醇 ,每次提取 90min。Objective: To study the extraction process for the total flavones of Rhizoma Belamcandae. Methods: The optimum extraction process was selected with the orthogonal design. The content of total flavones was determined by UV spectrophotometry. Results: The significant effects of extraction time, alcohol amont and concentration on the extraction of total flarones were discovered. Conclusion: The optimum extraction process is as follows: adding 8times amount of 80% alcohol into Chinese medical meterials, and extracting for 90min each time.
正在载入数据...
正在载入数据...
正在载入数据...
正在载入数据...
正在载入数据...
正在载入数据...
正在载入数据...
正在链接到云南高校图书馆文献保障联盟下载...
云南高校图书馆联盟文献共享服务平台 版权所有©
您的IP:216.73.216.41