Black rice was first planted in Shaanxi Yangxian, black or black-brown, rich in nutrients, edible, medicinal value, in addition to porridge can also make a variety of nutritious food and brewing, known as the black pearl and the world's king of rice reputation. It contains protein, carbohydrates, B vitamins, vitamin E, calcium, phosphorus, potassium, magnesium, iron, zinc and other nutrients, has the effect of tonifying the kidneys and black hair, preventing anemia and supplementing nutrition.

Nutritional value: the reason why the color of black rice is different from other rice, mainly because it contains anthocyanin-like pigments in the outer cortex. Containing manganese, zinc and other minerals are mostly higher than rice 1-3 times, but also contains rice lack of vitamin C, chlorophyll, anthocyanins, carotene and cardiac glycosides and other special ingredients, so black rice is more nutritious than the general rice is a rare nourishing good.

The black rice is a treasure in the rice, known as tribute rice, medicine rice, longevity of the reputation of the rice. Black rice is rich in nutrients, per 100 grams of black rice containing protein 10.73g, 37.0% higher than white rice; essential amino acids 3280mg, 25.4% higher than white rice; while the content of trace elements is also very rich, such as per 100 grams of black rice containing iron 52.46mg; calcium 310.7mg; zinc 42.02mg; manganese 4.975mg; copper 34.43mg; 138.4% higher than white rice respectively. White rice is 138.4%, 107.9%, 34.8%, 41.2%, 38.7% higher than white rice respectively. Black rice is a kind of medicine, food and rice, has a high medicinal value.