Medicinal and Nutritional Importance of Juglans regia Linn. on Human Health

The most widely utilized and reasonably priced tree in the world is Juglans regia L., often referred to as the walnut. It is a plant with medicinal properties that may be used as a remedy for a variety of human diseases. Since ages, it has been widely recognized to possess important nutritional and therapeutic qualities. Almost every portion of this species has been used to treat a wide range of infections. The biologically active compounds in the plant species are undoubtedly responsible for its therapeutic qualities. Certain secondary metabolites, such as glycosides, flavonoids, and polyphenols, are present in walnut foliage, shells, inflorescence, tree bark, and the roots. Juglans regia has been shown through pharmaceutical research documented by researchers to possess a variety of biological activities in the laboratory, in real life, and clinical experiments, including antifungal, antibacterial, antidiabetic, antioxidant, and anti-inflammatory properties. Juglone is one of the numerous bioactive substances found within numerous plant parts that have already been proven to be a potent anticancer substance in the treatment of fatal cancer. The substantial information as well as cultural knowledge gathered on pharmacological significance, nutritional value, and ethnomedicinal applications are described in this chapter.