The grape is one of the top 10 favorite fruits in the world along with mangoes and bananas, according to Top Food Facts. There are more than 8,000 varieties of grapes worldwide. These small fruits are available in purple, white, black, blue, green and golden.
As of 2014, the oldest grapevine in the United States is in North Carolina. The vine is of the Scuppernong variety and is 400 years old. Grapes were brought to the U.S. from Spain 300 years ago.
Grapes minimize the risk of heart attack since the fruits raise nitric acid levels in the blood and prevent the blood from clotting. Grape consumption may also treat conditions like asthma, fatigue and indigestion.
Grapes are 80-percent water, making them a low-calorie snack. A cup of grapes is about 100 calories and provides more than one-fourth of the daily recommended amount of vitamins C and K. The seeds of the grape are also edible and are a significant source of antioxidants.
One acre of grapes can produce about 15,000 glasses of wine, and 2.5 pounds of grapes are needed to make one bottle of wine. Napa Valley in California has the largest concentration of wineries in the world; there are more than 200 in the area.