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运用Z－8000型原子吸收光谱仪对实验动物家兔在四物汤煎液胃同前后血浆中微量元素铜（Cu）、锌（Zn）、铁（Fe）的含量变化进行了测定．并以元素对照液及空白对照液作比较．实验结果表明：四物汤煎液组家兔的血浆中铜（Cu）、铁（Fe）的含量增加值均不同程度地高于元素对照液组及空白对照液组，提示四物汤有促进铁（Fe）、铜（Cu）体内吸收的作用；四物汤煎液组和元素对照液组的血锌（Zn）含量的增加值均高于空白对照液组，提示了四物汤的补血、调经作用具有某种物质基础。
The contents of trace copper (Cu), zinc (Zn), and iron (Fe) in blood plasma of Siwu Tang decoction were measured by Z-8000 atomic absorption spectrometer. And compared with element control solution and blank control solution. The experimental results showed that the contents of copper (Cu) and iron (Fe) in plasma of Siwutang decoction group were higher than those of element control group and blank control group to a certain extent, suggesting that Siwutang has promoted The absorption of iron (Fe) and copper (Cu) in vivo; the increase in serum zinc (Zn) content in the Siwutang decoction group and the element control group was higher than that in the blank control group, suggesting the blood of Siwutang The role of menstruation has certain material basis.