Walnuts are revered since ancient times as a symbol of intellectuality, since their kernels have convoluted surface inside the shell resembling as that of brain! The nuts are enriched with many health-benefiting nutrients, especially Ω-3 fatty acids that are essential for optimum health. The nuts are edible kernels of the fruits from tree belonging to Juglandaceae family, in the genus: Juglan. Juglan species plants are medium sized, semi-tropical, deciduous trees believed to be originating in the mountain ranges of Central Asian or southern Europe region. Health benefits of Walnuts The nuts are rich source of energy and contain health benefiting nutrients, minerals, antioxidants and vitamins that are essential for optimum health. They are rich in monounsaturated fatty acids (about 72%) like oleic acid and an excellent source of all important omega-3 essential fatty acids like linoleic acid, alpha-linolenic acid (ALA) and arachidonic acids. Regular intake of walnuts in the diet helps to lower total as well as LDL or “bad cholesterol” and increases HDL or “good cholesterol” levels in the blood. Research studies suggest that Mediterranean diet that is rich in mono-unsaturated fatty acids, and omega-3 fatty acids help to prevent coronary artery disease and strokes by favoring healthy blood lipid profile. Eating just as much as 25 g each day provides about 90% of RDI (recommended daily intake) of omega-3 fatty acids. Research studies have suggested that n-3 fatty acids by their virtue of anti-inflammatory action help to lower the risk of blood pressure, coronary artery disease, strokes and breast, colon and prostate cancers. They are rich source of many phyto-chemical substances that may contribute to their overall anti-oxidant activity, including melatonin, ellagic acid, vitamin E, carotenoids, and poly-phenolic compounds. These compounds have potential health effects against cancer, aging, inflammation, and neurological diseases. Scientists at University of Scranton, Pennsylvania had recently discovered that walnuts have highest levels of popyphenolic antioxidants than any other common edible nuts. 100 g of walnuts contain 13541 µmol TE (Trolex equivalents) of oxidant radical absorbance capacity (ORAC). Eating as few as six to seven average size nuts a day could help scavenge disease causing free radicals from the body. In addition, they are an excellent source of vitamin E, especially rich in gamma-tocopherol; contain about 21 g per 100 g (about 140% of daily-required levels). Vitamin E is a powerful lipid soluble antioxidant, required for maintaining the integrity of cell membrane of mucus membranes and skin by protecting it from harmful oxygen-free radicals. These nuts are packed with many important B-complex groups of vitamins such as riboflavin, niacin, thiamin, pantothenic acid, vitamin B-6, and folates. They also very are rich source of minerals like manganese, copper, potassium, calcium, iron, magnesium, zinc, and selenium. Copper is a cofactor for many vital enzymes, including cytochrome c-oxidase and superoxide dismutase (other minerals function as co-factors for this enzyme are manganese and zinc). Zinc is a co-factor in many enzymes that regulate growth and development, sperm generation, digestion and nucleic acid synthesis. Selenium is an important micronutrient, which functions as a co-factor for anti-oxidant enzymes such as glutathione peroxidases. Walnut oil has flavorful nutty aroma and exhibits excellent astringent properties. Applied locally, it helps to keep skin well protected from dryness. It has also been used in cooking, and as “carrier or base oil” in traditional medicines in massage therapy, aromatherapy, in pharmaceutical and cosmetic industry. Munch a handful of walnuts a day and you will have enough recommended levels of minerals, vitamins, and protein.

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