Fresh Grapes have a refreshing and mildly sweet flavor. Green grapes tend to be slightly tart, while red and black grapes are sweeter. The texture of grapes can vary from juicy and crisp to more tender, depending on the variety. Fresh Grapes are nutrient-dense fruits. They are a good source of vitamin C and contain various antioxidants, including resveratrol. These also provide dietary fiber and are low in calories, making them a healthy choice for snacking.