The scientific name of tartary buckwheat is F.tataricum, which is divided into common tartary buckwheat and black tartary buckwheat. The shell of common tartary buckwheat is yellow and white; Black tartary buckwheat is a pearl black tartary buckwheat with black shell and high nutritional value, and is called "black pearl". Buckwheat is not only rich in rutin (VP) and selenium (Se), but also contains 18 kinds of amino acids and 9 kinds of fatty acids (VF). It is rich in dietary fiber, chlorophyll, crude protein, carbohydrates, minerals and trace elements, with reasonable content and no sugar and cholesterol. Its nutritional components are far superior to ordinary foods such as rice, wheat, corn, soybean and meat, and it is a pure natural precious nutritious food. According to Compendium of Materia Medica, tartary buckwheat is bitter in taste, flat in nature and cold in nature, which is beneficial to physical strength, spirit, eyes and ears, and has the functions of lowering qi, relaxing intestines and strengthening stomach. Modern clinical observation shows that tartary buckwheat powder and its products have the functions of lowering blood sugar, lowering blood fat and enhancing human immunity, and have adjuvant therapeutic effects on patients with diabetes, hypertension, hyperlipidemia, coronary heart disease and stroke. These effects are related to the nutrients contained in tartary buckwheat. According to scientific workers, tartary buckwheat contains flavonoids, and its main component is rutin. Rutin accounts for 70 ~ 90% of total flavonoids. Rutin, also known as rutin and vitamin P, has the functions of reducing capillary fragility and improving microcirculation, and is mainly used for the adjuvant treatment of diabetes and hypertension in clinic. Rutin is hardly found in other grains. In recent years, people have studied the nutritional components of tartary buckwheat and its anti-aging and health care effects on human body. The results showed that tartary buckwheat not only contains rich protein, chlorophyll, fat, carbohydrate, crude fiber, minerals and trace elements, but also contains 18 kinds of natural amino acids, with a total content of 1 1.82%, and contains 9 kinds of fatty acids beneficial to children. Id=3 18. Have a look.