论文部分内容阅读
目的比较不同产地黄芩中黄芩苷的含量,评价黄芩药材质量。方法采用HPLC方法。结果黄芩苷线性范围是1.5~7.5 mg·ml-1(r=0.999 9),平均回收率为99.80%,RSD为2.15%。16种不同产地黄芩中黄芩苷的含量范围为13.92%~24.29%。结论不同产地黄芩样品中黄芩苷含量存在较大差异,黄芩品种及产地对质量有影响。
Objective To compare the content of baicalin in different parts of Scutellaria baicalensis Georgi and evaluate its quality. Methods HPLC method was used. Results The linear range of baicalin was 1.5-7.5 mg · ml-1 (r = 0.999 9) with an average recovery of 99.80% and a RSD of 2.15%. Scutellaria baicalensis in 16 different areas of baicalin content range of 13.92% to 24.29%. Conclusion There is a big difference in the content of baicalin in Scutellaria baicalensis from different areas, and the quality and the origin of Scutellaria baicalensis Georgi are affected.