Effective separation of urushiol 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98．6%25。