摘要
目的:建立酸提糯米藤Gonostegia hirta(BL.)Miq多糖含量的测定方法.方法:用0.3 mol/L稀盐酸溶液回流提取糯米藤中多糖,并用硫酸-蒽酮法测定其多糖含量.结果:硫酸-蒽酮法精密度RSD=1.14%,稳定性RSD=0.53%,重现性RSD=1.41%,平均回收率为99.42,其对应RSD=1.48%.结论:测定方法操作简单、准确性好、精密度高、稳定性好,可用于酸提糯米藤多糖的含量测定.
Objective: To establish a sepectrophotometric method for the determination of acid extraction of polysaccharides in Gonostegia hirta(BL.) Miq. Methods: Polysaccharides are obtained by reflux extraction with 0.3mol/L HCI, and the contents was determined by the method of anthrone-sulfuric acid. Results: The RSD value of precision, stability, reproducibility of anthrone-sulfurie acid method arel.14%, 0.53%, 1.41% respectively. The average recovery is 99.42%, RSD=1.48% (n=5). Conclusion: The experiment method is convenient, stable and accurate, and could be used for determination of acid extraction of polysaccharides in Gonostegia hirta (BL) Miq. Key words: Gonostegia hirta (BL.) Miq ; polysaccharide; acid extraction; contents determination
出处
《西南民族大学学报(自然科学版)》
CAS
2012年第4期581-583,共3页
Journal of Southwest Minzu University(Natural Science Edition)
基金
西南民族大学中央高校基本科研业务费项目:11NFW02
西南民族大学2012年研究生学位点建设项目(No.2012XWD-S0703)
关键词
糯米藤
多糖
中药
Gonostegia hirta (BL.) Miq
polysaccharide
acid extraction
contents determination