The seven major nutrients needed by the human body are carbohydrates, fats, proteins, vitamins, inorganic salts, water and dietary fiber. I won’t go into details here, but just pick a few.
Carbohydrates (sugar): sucrose, fructose, and all other sugars are carbohydrates, not just rice and noodles but also cereals. It's just that their molecular structures are different, and the catabolic processes and steps are somewhat different. But in the end they are basically converted into simple sugars. For human use. Therefore, if you want to lose weight, eating less sugar will not work. You also need to eat less rice and noodles.
Fat: Fat has different structures and different physical properties. Animal fat has a high melting point and will solidify easily when the temperature drops slightly. If blood lipids are high, they will easily be deposited in blood vessels and cause embolism. Vegetable fats, and fats found in certain marine organisms, can withstand cold conditions without solidifying. Correspondingly, it is not easy to deposit. In addition, lean meat also contains about 20% animal fat. Because fat is the building block of cells.
Vitamins: The human body needs a variety of vitamins, and since everyone’s diet cannot be extremely rich every day, for example, a diet with many vegetables, fruits, and varieties. Therefore, in many cases, everyone is more or less lacking. So many people started taking vitamin supplements. However, supplements cannot be taken casually. For example, excessive intake of VA or beta carotene may lead to osteoporosis. Therefore, it is recommended that everyone make reasonable supplements under the guidance of professional knowledge according to their own circumstances and conditions. (There is no end to learning~)
Dietary fiber: After all, fiber is also a type of carbohydrate, but it cannot be digested by the human body. But now more and more people are paying more and more attention to this indigestible-just-acting nutrient. It is important not because it is rich in nutrients, but because it is a scavenger of the intestines. Especially for today's overly delicate dietary processed products, if people consume them for a long time and lack exercise, they can easily lead to constipation and dry stools. The place is where poisons are concentrated. Nowadays, the increasing incidence rate of rectal cancer in big cities such as Beijing and Shanghai requires us to pay enough attention.