The hazelnut is the hard-shelled fruit of the hazelnut tree. Hazelnuts have a sweet flavor and can be eaten raw, roasted or ground into a paste. Hazelnuts are very high in energy and loaded with many health-benefiting nutrients that are essential for optimum health. 100 g nuts carry 628 calories.
Like other nuts, hazelnuts are rich in nutrients and have a high content of protein, fats, vitamins and minerals.
Hazelnuts are native to Turkey, but are now cultivated in many other parts of the world, including the United States, Italy, and Spain. It is widely traded commodity, with both import and export markets spanning the globe.