which grapes are used for raisins

Thompson Seedless grapes, often known as Sultana grapes, are a popular variety for manufacturing raisins. Because these grapes are green and seedless, they are great for manufacturing dried raisins. 

Other grape kinds, such as Flame Seedless and Black Corinth grapes, are used to make raisins as well, but Thompson Seedless grapes are the most common choice for commercial raisin production due to their sweet and mild flavor.

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