通过组织结构及薄层层析等实验研究,证明地榆炒炭前后药材内部变化。地榆炭与原药材比较,草酸钙结晶明显减少,部分组织炭化,有效成分地榆皂甙及鞣质受到一定程度破坏,但又产生了一些新的成分。 Through experimental studies on tissue structure and thin-layer chromatography, it was proved that the internal changes of the medicinal materials before and after the charcoal decoction. Compared with the original medicinal materials, the ground wolfberry charcoal crystals were significantly reduced, some of the tissues were charred, and the active ingredients, medlar saponins and tannins were destroyed to a certain extent, but some new ingredients were produced.