White’ grapes are actually green in colour, and are evolutionarily derived from the red grape. Mutations in two regulatory genes of white grapes turn off production of anthocyanins, which are responsible for the colour of red grapes. The many health benefits of grapes make them an excellent choice for a more satisfying, healthier diet. Fruit is an essential part of your daily diet supplying essential vitamins and minerals that contribute to overall good health.
Source: White Grapes by Adriano