Objective To analyze the content of amino acid in three species of Echinacea as well as the inorganic elements in them and the soil of planting them as the references for quality evaluation and reasonable application of them.

• 目的通过3种松果菊药材、栽培基地土壤的无机元素和药材的氨基酸含量分析,为松果菊质量评价及合理应用提供参考依据。