The amount of portulaca flavonoids is the highest in root and higher in stems, but not found in leaves, which offers some data for the application of the portulaca oleracea L.

• 结果表明，马齿苋各部位的总黄酮含量以根为最高，茎次之，叶中未检出。可见，根和茎部分是提取总黄酮的最好资源。