dietary fiber is a kind of carbohydrate that can not be digested by human body. But this kind of dietary fiber has many functions. Generally speaking, it also includes two categories: non water soluble fiber and some water-soluble fiber. Of course, cellulose, hemicellulose and lignin are also different types of dietary fiber. Let’s learn about them.
the role of dietary fiber
in our daily diet, cellulose, some hemicellulose, lignin are some very common insoluble fiber, the role of such dietary fiber is more, more widely exist in people’s plant cell wall. However, pectin and pectin are water-soluble fibers, which exist in non fibrous substances in nature.
dietary fiber is a food nutrient that is not easy to digest. It mainly comes from the cell wall of plants, including cellulose, hemicellulose, resin, pectin and lignin. Dietary fiber plays an important role in promoting good digestion and excretion of solid waste. Appropriate supplement of cellulose can make the food in the intestines bigger and softer, promote intestinal peristalsis, accelerate defecation speed, prevent constipation and reduce the risk of bowel cancer.
in addition, cellulose can regulate blood sugar and help prevent diabetes. It can also reduce the absorption of fat in the process of digestion, so as to reduce the level of cholesterol and triglyceride in the blood, and prevent hypertension and cardiovascular and cerebrovascular diseases. Brown rice and germ tooth milled rice, as well as corn, millet, barley, wheat bran (rice bran) and wheat flour (the material of black bread), etc; In addition, the root vegetables and seaweed have more food fiber, such as burdock, carrots, kidney beans, red beans, peas, potatoes and Undaria pinnatifida.
dietary fiber has many functions, it can help people’s gastrointestinal digestion, increase people’s body immunity, reduce the body’s cholesterol content and high blood pressure. And reduce the body’s insulin and triglycerides. Therefore, in peacetime we reasonable supplement dietary fiber, for people’s health is a lot of benefits.