摘要
采用火焰原子吸收光谱法测定独活、天南星、皂荚3种药材及其煎煮液中所含的Mg、Fe、Zn、Cu、Mn、Cr、Cd、Pb微量元素的含量。结果表明,3种药材中,Pb和Cd等有害微量元素的含量较低,而有益微量元素Zn、Cu、Mn、Fe的含量较高,且药材中含量高于单煎液,单煎液明显高于合煎液。中药材中微量元素丰富,煎煮对微量元素的影响较大,合理的工艺可以增加人体必需微量元素的溶出,减少有害微量元素溶出,起到增强疗效、降低毒性的作用。
The contents of microelements such as Mg,Fe,Zn,Cu,Mn,Cr,Cd and Pb in Radix Angelicae Pubescentis,Arisaema erubescens and Gleditsia sinensis and their decoctions were determined and compared by using flame atomic absorption spectrometry（FAAS）.The result indicated that in the 3 medicinal materials,the concentrations of lead,cadmium and other harmful elements were lower.However the concentrations of beneficial elements such as zinc,copper,manganese and iron were higher in all three Chinese medicinal herbs and their decoctions.And the concentration in dry medicinal herbs were higher than that of in single decoction,the concentration of beneficial elements in single decoction than that of in mixed decoction.Traditional Chinese medicinal herbs were rich of microelements,while decoction influenced microelements badly,proper technology increased the exsolution of necessary microelements,decreased the exsolution of harmful microelements,and exerted the function of ehancing therapeutic effect and reducing toxicity.
出处
《湖北农业科学》
北大核心
2011年第11期2337-2339,共3页
Hubei Agricultural Sciences
