Home » Products » Raisin » Raisin Types Raisin Types Long Green Raisin This type of raisin are naturally green and relatively long. It is produced in north eastern part of Iran. Long Golden Raisin This type is dried by adding sulfur and this process make the color of raisin yellow. Sultana Raisin This type of raisin are brown and also light brown and it is the most popular variety. In drying process, they will be submerged inside a solution including potassium carbonate, water and oil for some minutes and then put away from sun light. Golden Raisin This type is oven-dried and then sulfur is added to preserve its color. The Sulfur caused the color of raisin to be yellow and also makes the taste of raisin a little sour. Sun-dried Raisin This type of raisin is produced by being exposed under the direct sunlight without using any chemicals. This type of raisin is 100 % natural and it is black in color.