As the main raw material for food and edible oil production, sesame is widely used in the oil industry. Dehulled sesame seeds are sesame seeds that have been removed from the shell and are mainly used for food processing and oil extraction. The presence of sesame seed coats The unpeeled sesame seed coat or stratum corneum has a high content of fiber and oxalate, and the protein resources cannot be directly absorbed and utilized after direct consumption by humans, which often results in the reduction of food flavor and mouthfeel, so in the food processing process In order to maintain the taste and flavor of sesame, sesame seeds are often peeled first. Therefore, the sesame seeds in the pastries and biscuits are all "peeled sesame seeds" after peeling. Today, in view of the unique health and beauty effects of sesame, peeled sesame is widely used in the production of baked foods, food flavor additives, and cosmetics. Dehulled sesame seeds are classified according to their origin, appearance, purity, moisture, and impurities.