| abstract |
The invention relates to a method for refining and purifying a crude plant-derived ceramide extract, which adopts a refining and purifying process of salting out, primary high-molecular magnetic microsphere separation, secondary high-molecular magnetic microsphere separation and crystallization, overcomes the defect that the existing purifying method can only obtain low-purity ceramide, can provide high-purity ceramide with the purity of 99 percent or higher, and can be directly used in the fields of cosmetics and medicines. The purification method adopts a means of combining secondary crystallization and specific magnetic polymer microsphere adsorption, can obviously improve the product purity, effectively reduces the product loss, and is suitable for industrial production. |