2, grapes are not only tasty and delicious, but also very high nutritional value, containing natural polymerization of phenol can be chemically synthesized with viruses or bacteria in the proteins, so that it loses the ability to infect disease, so as to achieve the efficacy of preventing normal cells from becoming cancerous. Research has found that grapes can effectively prevent the formation of blood clots, the prevention of cardiovascular and cerebrovascular diseases have a certain role.