Raisins can contain up to 72% sugars by weight, most of which is fructose and glucose. They also contain about 3% protein and 3.7%–6.8% dietary fiber. Raisins, like prunes and apricots, are also high in certain antioxidants, but have a lower vitamin C content than fresh grapes.
Types of Raisins: Currants, Golden Seedless, and More. Most raisins produced in the United States are made from seven different types of grapes: Thompson Seedless (which are also the most popular green grapes for fresh consumption), Flame Seedless, Muscat, Sultana, and Black Corinth.