2)  Nutrition:
Shiitakes contain many chemical compounds that protect your DNA from oxidative damage — for example, lentinan, a substance that can heal chromosome damage caused by anti-cancer treatments. In Japan, shiitake mushrooms provide this special chemical component known as lentinan, which is used to prolong longevity and act as a natural treatment for cancer.
Eritadenine substances are also found in shiitakes, which help reduce cholesterol levels, while lentinula edodes mycelium (LEM) helps prevent and treat cancer (especially of the stomach and digestive organs), heart disease, hepatitis, high blood pressure and infectious diseases.
In addition, revealed in the Journal of Nutrition, shiitake mushroom nutrition benefits include antiviral, antibacterial and antifungal effects, as well as helping to control blood sugar and reduce the symptoms of inflammatory diseases. (5) Shiitakes are also unique for a plant since they contain all eight essential amino acids along with a type of essential fatty acid called linoleic acid. Look for them in most grocery stores, especially Asian markets.

3） Uses:
1.An elegant, earthy complement to vegetarian risotto and pasta dishes
2.Add depth of flavor to stir-fries
3.Add rich umami flavor to sauces and soups
4.A delicious accent flavor with steak or chicken
5.Pulverize dry shiitake mushrooms to create a multi-purpose “umami powder” that enhances meat, vegetables, starches, grains and sauces. 

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