What is coarse grains
Coarse grains are relative to what we usually eat fine grains such as rice, white flour, including cereals, corn, millet, millet, sorghum, oats, buckwheat, wheat bran, and a variety of dry legumes, such as soybeans, green peas, adzuki beans, green peas and so on.
Coarse grains are rich in insoluble fiber, which is beneficial to safeguard the normal functioning of the digestive system. It works synergistically with soluble fiber to reduce the concentration of low-density cholesterol and triglycerides in the blood; increase the retention time of food in the stomach, delay the rate of glucose absorption after meals, and reduce the risk of hypertension, diabetes, obesity, and cardiovascular disease.
Medical research has also shown that fiber helps fight stomach cancer, bowel cancer, breast cancer, ulcerative enteritis and many other diseases. But for coarse grains, we should eat more, but should not eat too much, because over-eating coarse grains also has bad effects.
The 25 to 35-year-old crowd, for example, too much food "coarse", it will affect the human body function of protein, inorganic salts and the absorption of certain trace elements, and even affect the human body's ability to reproduce.
The disadvantages of over-eating roughage
1. If you eat too much roughage, it will affect digestion. Too much fiber can lead to acute symptoms such as intestinal obstruction and dehydration.
2. Long-term over-eating of coarse grains will also affect absorption, so that the body lacks many basic nutrients. The so-called "face with vegetables", is too much fiber to eat, resulting in the typical performance of malnutrition.
3. For those who need a lot of nutrients, "special" people, too much food grains, affect the absorption of the most obvious harm caused by these people, these people include pregnancy and breastfeeding women, as well as adolescents in the growth period.
4. Fiber also has the role of interfering with drug absorption. It can reduce the efficacy of certain lipid-lowering drugs and antipsychotics.