Sultana raisin is dry form of malayer seedless grape. Malayer is a city of hamedan province. Sultana raisin color is light brown and is one of the significant Gulf Region commercial types of raisin which exports highly to all countries every year.
In the producing process of this kind of raisin, malayer grapes float into vegetable oil and then locate in a shadow or sunlight in order to dehydrate.
whatever sultana raisins color is inclined to lighter brown or gold certifies more using of sulfur dioxide in the period of production.