Buckwheat flour contains 70% of starch, 7-13% of protein and 2-3% fat of blood. The protein is rich in lysine and amino acid. The sub-oleic acid can reduce the fat of blood and is also a key element of prostaglandin.The vitamin in the buckwheat flour is 3-20 times higher than that of wheat flour. The advantage of buckwheat flour is that it contains both the nicotinic acid & rutin, which have a special effect in reducing the fat of blood and cholesterol. All these elements are good to prevent the high blood pressure and heart attack. Buckwheat flour is also rich in various mineral elements, such as: phosphor, iron and magnesium which have a good effect to people?s blood circulating system and physiological function. It can produce 1411kj per 100 gram.