Results the extraction conditions were optimized as follows : folium ginkgo and rhizoma chuanxiong were powdered and soaked by fifteenfold - weight 60 % alcohol , to get the highest content of flavone and ligustrazine 结果：银杏叶、川芎粉碎成粗粉，用15倍量60 %的乙醇漉条件最佳，总黄酮和川芎嗪的含量最高。
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