目的：通过对黄芪中有机成分的提取，探讨元素铜与总黄酮（TFA）、多糖（TPA）及总皂苷（TSA）的关系。

Objective: To study the relationship between copper and organic components, total flavonoids of Astragalus(TFA), total saponins of Astragalus(TSA) and total polysaccharide of Astragalus(TPA).

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方法：采用连续回流提取法和超声波提取法提取膜荚黄芪叶中的皂苷、黄酮、多糖类成分，比色法测定其含量。

Methods Using continuum circumfluence and ultrasound to extract astragaloside, flavonoids and amylose from the leaves of astragalus and determine the quantity with colorimetry.

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黄芪多糖是黄芪的主要活性成分之一。

Astragalus polysaccharide is one of the main high active components of Astragalus.

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