How should I store and keep fresh grapes? It is a question that a lot of fans of this fruit establish themselves as to ensure that the grapes are not rotten. Fresh grapes are a delicacy for many people, they are also very healthy for everyone. These fruits are naturally rich in vitamin C, antioxidants and many other vitamins that we need to function. According to some studies, fresh grapes would also help us with our vision, to remember things and they would have a positive impact on our blood pressure.