Walnut with the scientific name Juglans has Manganese, fiber, Copper, Phosphors, Vitamin B3, B2, B1, B6 and B5. Daily usage of walnut is highly recommended. It can help with keeping the heart healthy, giving energy, reducing cholesterol and increasing the brains power. Types of walnut found Iran are : Tuyserkan, Ghazvin, Taleghan, Daran village, Lara and Cluster.