Raisins are the dried form of grapes used as an ingredient in almost all confectionery, cake, and food factories. As for their nutritional value, raisins are rich in iron, potassium, calcium, and B vitamins, which have antioxidant properties and prevent cell damage. The fiber in raisins prevents colon cancer, abnormal cell growth, and controls blood sugar, besides being useful for treating constipation. Consumption of raisins removes fatigue and lethargy from the body and causes the body to lose excess water. It strengthens the body and makes the mouth fragrant. Nutritionists believe that eating a few raisins a day helps to boost memory and protects people against Alzheimer’s. High fiber in raisins helps to reduce cholesterol and improves intestinal function. Raisin consumption is beneficial for bone health due to its high calcium content. It prevents osteoporosis, and selenium in raisins is excellent for the skin.
The history of raisin production in Iran dates back to 2000 BC. Farmers around the country have been producing different types of raisins for thousands of years in various ways. Iran has a temperate climate and the grapevines grow in almost 70% of the cities of Iran. In fact, the four-season climate of Iran, is suitable for the production of grapes and other agricultural products, along with its fertile soil, allows for the production of all kinds of fruits, including white seedless grapes. Raisins are produced by drying grapes, so the quality of the grapes and their state of being organic significantly impact their taste and quality .The quality of the raisins produced in each city is different from the other ones. Selling and exporting of dried fruits have long been common in Bonab. Bonab golden raisin, prepared from the organic grapes in vineyards and gardens, is the best in Iran and perhaps in the world.