Effective separation of umshiol in raw lacquer has been carried out by both the solvent extraction and column chromatography,As a result of this,the purity of urushiol has risen from 78.8% to 98.6%.

• 通过溶剂萃取和柱层析对生漆中的漆酚进行了有效的分离；柱层析后的漆酚纯度由原生漆中的78.；8%25提高到98