Karen Collins is a registered dietitian with the American Institute for Cancer Research. Is it true that you need to choose red grapes in order to get resveratrol, the compound found in red wine? That ...

All grape colors have similar nutrient profiles, offering fiber, potassium, vitamin A, and antioxidants—though purple grapes have slightly more antioxidants than red or green. Flavor and texture vary ...

Sunlight International is shipping red and green grapes in new Pretty Lady bi-color fixed weight bags until December. After a bi-color bag was offered last year, the exclusive Pretty Lady bi-colored ...

The variation in grape color is due to the genes responsible for the synthesis of red pigments (anthocyanins.) Through these variations, the varieties Pinot blanc and Pinot gris arose from Pinot noir.