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目的:测定人参、党参、当归3种中药原药及其水煎液中元素的含量,研究补气补虚类中草药中不同微量元素的含量特点,以及各种微量元素在水煎液中的含量情况,探讨微量元素与补气补虚类中草药的关系。方法:采用火焰原子吸收光谱法测定人参、党参、当归3种中草药中的锌、镁、锰、铜4种元素。结果:所测3种补气补虚类中药中4种人体必需的元素含量,镁元素的含量较高,其次是锰和锌,铜元素含量最低,其中当归镁、锌含量最高,人参锰、铜含量最高。水煎液中微量元素煎出率较低,最高为当归中的锰元素,仅有29.17%,最低为人参锌元素,为10.31%。结论:传统煎煮法煎出率较低,镁元素含量较高,铜的含量较低,铜锌比值小,可能是补气补虚类中药的特点。
OBJECTIVE: To determine the contents of three elements of traditional Chinese medicine (Ginseng, Radix Codonopsis, Angelicae sinensis) and their decoctions, and to study the content of trace elements in Chinese herbal medicine of Buqi Buxu and the contents of various trace elements in decoction Situation, to explore the relationship between trace elements and Chinese herbs tonic class. Methods: Flame atomic absorption spectrometry (FAAS) was used to determine the contents of four elements of zinc, magnesium, manganese and copper in three kinds of Chinese herbal medicines. Results: The content of essential elements, the content of magnesium, the content of magnesium, the content of copper, the content of copper, The highest copper content. The decoction rate of trace elements in decoction is lower, the highest is the manganese element in Angelica sinensis, only 29.17%, the lowest is the zinc element of Panax ginseng, which is 10.31%. Conclusion: The decocting rate of traditional decoction method is lower, the content of magnesium is higher, the content of copper is lower and the ratio of copper and zinc is small, which may be the characteristic of traditional Chinese medicine.