Black fungus mushroom is rich in fibre, protein and carbohydrate, yet low in fat. It has not only a good taste, but an effect of tranquilizing and enriching blood. Therefore, it has been in people’s good graces for 2,000 years and nowadays it enjoys the reputation of being a heathy food.

The Shiitake is an edible mushroom native to East Asia, which is cultivated and consumed in many Asian countries, as well as being dried and exported to many countries around the world. It is a feature of many Asian cuisines including Chinese, Japanese, Korean and Thai. In the East, the Shiitake mushroom has long been considered a delicacy as well as a medicinal mushroom.In Chinese, it is called xianggu, literally "fragrant mushroom".