Dietary fiber, as a type of nutrients that everyone is more well known, although it cannot be fully absorbed by the human body, it can play a unique effect of cleaning up the intestinal tract. Therefore"Dao Qing Daofu", many nutritionists admire this nutritional element.
About dietary fiber, in simple terms, is the plant cell wall, including cellulose, The grain bran, fruits and vegetables, etc., often consumes very rich cellulose in their lives. Therefore, these common foods are also the main source of diet for us to obtain dietary fiber in daily life.The positive impact of dietary fiber on the human body is mainly reflected in the following aspects.
First of all, after entering the human body, dietary fiber can help E. coli in the intestine synthesize a variety of vitamins.Large volume, so after entering the human body, you can occupy most of the space in the stomach, make people have a strong sense of satiety, thereby reducing the desire to intake of other foods and helping people lose weight.
Second, the dietary fiber is large. After entering the gastrointestinal tract, it can play a certain stimulating role. By stimulating the secretion of the digestive juice and stimulating gastric and intestinal peristalsis, it will promote toxins to toxinsExcess, reduce the risk of constipation and .
In addition, high dietary fiber diet can be delayed through stomach empty and changes in intestinal operation, etc.The absorption rate can also reduce the irritation of the islet wall cells by reducing intestinal hormone secretion such as glucagon. In the process, the metabolism of glucose can be increased.
Finally, because the main physiological effect of dietary fiber is to adsorb water, after entering the human body, it can cause increased feces.The excretion of feces allows the metabolic substances of the body and other carcinogenic ingredients to reduce time in the intestine and reduce adverse irritation to the gastrointestinal tract, which can also reduce the risk of intestinal cancer to a certain extent.
Although the nutritional composition of dietary fiber has attracted the attention of the public in recent years, there are still some misunderstandings that everyone needs to understand in time.
Misunderstanding 1: Fibrous foods with rough taste
The classification of dietary fiber mainly includes soluble dietary fiber and unable to soluble dietary fiber. Most of the dietary fiber in wheat bran, nuts and vegetables are mostly unavailable.Rough, proper consumption of these foods in daily life can help people improve intestinal function and help prevent constipation.
For foods such as barley, carrots, oats, etc., the dietary fiber contained in it is a soluble dietary fiber. After entering the human body, these foods can delay food digestion, which will help help people peopleStabilize blood glucose levels.
Misunderstanding 2: Fiber can discharge waste and retain nutrients
Dietary fiber can not only help people stop right from rightThe absorption of harmful substances will also affect the effective absorption of nutrients such as protein and inorganic salts in food to a certain extent, especially for young people in the growth stage.Dowry the bodys necessary nutrients out of the body, and then increase the risk of malnutrition. Therefore, pay attention to the appropriate amount when supplementing dietary fiber daily, especially young children, and cannot be supplemented blindly.
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