Juglans Regia L. (JUGLANDACEAE) — English Walnut, Carpathian or Persian Walnut

This chapter provides information on uses, folk medicine, chemistry, germplasm, distribution, ecology, cultivation, harvesting, yields, energy, and biotic factors of English Walnut and Carpathian or Persian Walnut. Nuts are consumed fresh, roasted, or salted, used in confectioneries, pastries, and for flavoring. The shells may be used as antiskid agents for tires, blasting grit, and in the preparation of activated carbon. Ground nut shells are used as an adulterant of spices. Crushed leaves, or a decoction are used as insect repellant and as a tea. Fruit, when dry pressed, yields a valuable oil used in paints and in soap-making; when cold pressed yields a light-yellow edible oil used in foods as flavoring. According to Hartwell, English walnuts are used in folk remedies for aegilops, cancer, indurations, tumors, warts, and whitlows, especially cancerous conditions of the breast, epithelium, fauces, groin, gullet, intestine, kidneys, lip, liver, mammae, mouth, stomach, throat, and uterus.