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采用火焰原子吸收光谱法测定了葛根中金属元素钙、镁、铁、锰、锌的含量,采用醇提法提取葛根中总黄酮并用紫外分光光度法测定总黄酮含量。测定结果显示,葛根中含有丰富的总黄酮和金属元素,其中总黄酮含量为3.1718m g/g,金属元素含量为钙>镁>铁>锌>锰。实验结果为探讨葛根中总黄酮、金属元素与治疗呼吸系统疾病药理间的关系提供了有用的数据。
The content of calcium, magnesium, iron, manganese and zinc in Pueraria lobata was determined by flame atomic absorption spectrometry. The total flavonoids in Radix Puerariae were extracted by alcohol extraction and the content of total flavonoids was determined by UV spectrophotometry. The results showed that Pueraria lobata contained abundant flavonoids and metal elements, of which the total flavonoids content was 3.1718m g / g, and the metal elements were calcium> magnesium> iron> zinc> manganese. The experimental results provide useful data to explore the relationship between the total flavonoids in Pueraria lobata, metal elements and the pharmacological treatment of respiratory diseases.