Why are raisins purple They start out green.?

Raisins don't start out green! They start out as green grapes, which then turn purple as they ripen on the vine.

Here's why raisins are often dark:

* Variety: Most raisins are made from dark purple grapes, like Zante currants or Thompson seedless. These varieties naturally have a darker color.

* Drying Process: The drying process concentrates the natural pigments in the grapes, making the raisins appear even darker.

While you might see green grapes used for other purposes like juice, they are not typically used to make raisins.