Many explorers who came to the Americas brought back what they considered strange foods. The zucchini eventually found its way to Italy where it was named zucchino. Many names have been given to this squash. The French call it courgette, a name that has been adopted by the English. The English also refer to a variety that is slightly larger and plumper as marrow. With their high water content (more than 95 percent), zucchini squashes are very low in calories. There are only 13 calories in a half-cup of raw zucchini, with a slight increase to 18 calories in the same quantity cooked. Nutritionally, zucchinis offer valuable antioxidants. Zucchini is a good source of Vitamins A and C, Potassium, and is low in calories making it an excellent choice for dieters.