Add Yahoo as a preferred source to see more of our stories on Google. All grape colors have similar nutrient profiles, offering fiber, potassium, vitamin A, and antioxidants—though purple grapes have ...

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 ...

When temperatures climb above 100 degrees Fahrenheit, grape clusters can heat to nearly 140 degrees in direct sunlight. The berries shrivel. Their color compounds break down. Yields drop. And for ...