Raisins are dried grapes. Production of raisin in Iran dates back to 2000 BC. As many as 100 different types of raisins are produced in Iran. Still the country’s share of the global market is no more than 10%. Raisin is rich in vitamin A and B, potassium, sodium, iron, manganese and fiber. Thanks to its rich calcium content, consumption of raisin can help prevent osteoporosis. Raisin accounts for a major part of Iran’s agricultural exports.