The human body in the absorption of diverse food nutrients, it is not possible to take in all the required nutrients, but from the beef intake for the most direct and most complete. Moreover, the nutritional composition of beef is very high, the human body needs 22 kinds of amino acids every day, more than half of the amino acids can be manufactured by the human body, but there are 8 kinds of amino acids in the human body can not be produced, known as the essential amino acids, have to be ingested by the food.
Beef food contains the body's need for these 8 essential amino acids, and is 100% absorption, any animal, plant nutrition can not be compared with beef, so, have to eat a piece of beef, up to a day's nutrition said.
The lean part of beef is rich in high-quality protein, iron, vitamin B complex and other excellent nutrients.
Protein is an indispensable nutrient for maintaining human health. Protein, along with sugar and fat, are the three major nutrients needed by the human body, and are also the most important nutrients for sustaining life. Our muscles, skin, organs, bones, blood vessels, hair, nails, etc. are all made of them, and they are also the raw materials for the production of blood, hormones, oxygen, neurotransmitters, and immune substances.
Beef contains a balanced amount of essential amino acids. Proteins contained in food will be broken down and utilized by small units of amino acids in the body, while essential amino acids cannot be synthesized from the body and need to be replenished from food.
Essential amino acids -- adults need 8, children 2 more for 10, another feature of beef is that it contains a balanced nutritional amino acids. It's a good choice for developing children to have a strong body, and for the elderly to have their digestive function deteriorate and their absorption ability reduced.
Beef is rich in iron, which is easily absorbed by the human body, and it relies on the hemoglobin of the red blood cells in the blood to transport oxygen and energy to all parts of the body. And none of its components can be without iron. Iron contained in food **** divided into 2 kinds, often weight loss of women are prone to anemia, for those who want to maintain the vigor, prevention of anemia is very important.
Symptoms caused by insufficient iron: anemia, poor blood circulation, cold hands and feet, easy to break nails, easy to split hair. Due to menstruation, women lose 15-30mg of iron from their blood every month, so their iron needs are 20% more than those of men. In addition, in order to produce blood for babies during pregnancy, 10mg of iron is needed during the first trimester, and 20mg of iron, twice as much as men's, is needed during the second trimester and during breastfeeding. Regular consumption of easily absorbed, low-calorie beef can greatly increase iron absorption. Therefore, it is advocated that you may want to consider in your food more this kind of food.