1>Introduction about medicinal herbs

The walnut (Jugans spp.) is a softwood tree grown and used worldwide for medicinal purposes, for its timber, and most for its eponymous fruit. The okhar tree is native to the mountainous areas of Central Asia, including Nepal. In Nepal, one of the primary uses of the Okhar tree is the harvesting of its frui ^]Although rarely used as a commercial crop, the walnut has been used as a traditional indigenous medicine and as a subsistence food item In Nepal the nuts and bark have been used to treat skin disorders among other ailments Aryal, Berg & Ogle, 2009 also reference the religious use of the walnut. Walnuts are one of the uncultivated foods of Nepal that have shown to be profitable, although not widespread for low income individuals. Nepalese law forbids the cutting down of walnut trees and the sale of walnut lumber.

Common name of okhar

1>okhar

 2>walnut

Advantage of eating  Okhar or walnut.

One-quarter cup of walnuts, for instance, provides more than 100 percent of the daily recommended value of plant-based omega-3 fats, along with high amounts of copper, manganese, molybdenum, and biotin. Some of the most exciting research about walnuts includes:

1. Cancer-Fighting Properties

Walnuts may help reduce not only the risk of prostate cancer, but breast cancer as well. In one study, mice that ate the human equivalent of 2.4 ounces of whole walnuts for 18 weeks had significantly smaller. According to another study on mice, the human equivalent of just two handfuls of walnuts a day cut breast cancer risk in half, and slowed tumor growth by 50 percent as well

 2. Heart Health

Walnuts contain the amino acid, which offers multiple vascular benefits to people with heart disease, or those who have increased risk for heart disease due to multiple cardiac risk factors. Walnuts also contain the plant-based omega-3 fat alpha-linolenic acid (ALA), which is anti inflammatory and may prevent the formation of pathological blood clots.

3. Rare and Powerful Antioxidants

Antioxidants are crucial to your health, as they are believed to help control how fast you age by combating free radicals, which are at the heart of age-related deterioration. Walnuts contain several unique and powerful antioxidants that are available in only a few commonly eaten foods. This includes the quinone juglone, the tannin tellimagrandin, and the flavonol morin.⁶Walnuts contain antioxidants that are so powerful at free-radical scavenging that researchers called them "remarkable,"⁷ and research has shown that walnut polyphenols may help prevent chemically-induced liver damage

4. Weight Control

Adding healthful amounts of nuts such as walnuts to your diet can help you to maintain your ideal weight over time. In one review of 31 trials, those whose diets included extra nuts or nuts substituted for other foods lost about 1.4 extra pounds and half an inch from their waists.¹⁰ Eating walnuts is also associated with increased satiety after just three days.¹¹

   5. Improved Reproductive Health in Men

One of the lesser-known benefits of walnuts is their impact on male fertility. Among men who consume a Western-style diet, adding 75 grams (a bit over one-half cup) of walnuts daily significantly improved sperm quality, including vitality, motility, and morphology.

6. Brain Health

Walnuts contain a number of neuroprotective compounds, including vitamin E, folate, melatonin, omega-3 fats, and antioxidants. Research shows walnut consumption may support brain health, including increasing inferential reasoning in young adults. One study also found that consuming high-antioxidant foods like walnuts "can decrease the enhanced vulnerability to oxidative stress that occurs in aging," "increase health span," and also "enhance cognitive and motor function in aging."

7. Diabetes

The beneficial dietary fat in walnuts has been shown to improve metabolic parameters in people with type 2 diabetes. Overweight adults with type 2 diabetes who ate one-quarter cup of walnuts daily had significant reductions

Benefits of eating skin of walnut

The outermost layer of a shelled walnut – the whitish, flaky (or sometimes waxy) part – has a bitter flavor, but resist the urge to remove it. It's thought that up to 90 percent of the antioxidants in walnuts are found in the skin, making it one of the healthiest parts to consume.¹⁶ To increase the positive impacts on your health, look for nuts that are organic and raw, not irradiated or pasteurized. Walnuts are great as a quick sackbut if you're not a fan of their flavor, you can still get their therapeutic benefits by blending them into smoothies. You can further improve the quality of walnuts by soaking them in water overnight, which will tend to lower some of the enzyme inhibitors and phytic acid

          Conclusion

At last I woul like to give thank to our obt teacher amit sir for giving such wonderful project . It helps me to know something about medicinal herbs called walnut or okhar

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