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Nutrient requirements of children aged 1-3

  infant nutrition refers to the 1~3sui of children's nutrition. More infant children's growth rate during this period was slow but still faster than older children and adults. Children can walk with this range of activities increase, the amount of exercise increased, and early childhood children are generally weaned, solid food gradually replace breast milk into a staple food, so make sure the reasonable supply of nutrients and calories.
during the entire life of the nutrient in the human body, especially in the fast-growth phase, is the essential thing. Children up to 3 years, to nutritional needs in terms of quality and quantity is higher than at any other time, so parents need to understand young children need a variety of nutrients (refer to form the basic material of human tissue) component and physiological function.
(1) thermal
normal children's daily calorie needs for 420,000 joules per kilogram, but should maintain a balance between various energy-providing nutrient, protein, fat, carbohydrates, weight of the three reasonable ratio is important, protein supply of heat total heat 12%~15%, fat 25%~35%, CARB 50%~60%.
proteins which constitute the important substance of body cells, is to promote normal growth and development, a sound body structure indispensable major component. Children and adults, protein synthesis than breakdown, thus requiring more, namely, protein requirement is relatively larger than the adult, if protein intake is insufficient, or because of a disease increases the consumption of protein and breakdown than synthesis, the results will affect the growth and development of young children, and even lead to malnutrition, anaemia, resistance to reduce.
young children need more protein than the adults, and require a lot of high quality protein, because child care is not only needed for normal metabolism of protein, but also used it to form a new organization, so protein is important for children's growth and nutrients. Children's needs to supply 3~3.5 grams of protein per kilogram body weight per day.
(3) sugar
it is the main source of energy, can make the muscles and organs of normal activity, and maintain their normal physiological functions. If young children eat too much sugar, it can be stored in the liver or muscle can also be converted to FAT if when you eat too little, the body only the use of fat and protein for energy, weight loss , and influence the digestion and absorption of fats.
(4) fat
it is also the source of heat, can help fat-soluble vitamin absorption and utilization. A large proportion of the stores of fat under the skin, with thermal insulation and wrapped up in all the visceral outer layer of fat, and has the function of protection and shock-proof. It is an essential for a substance in the body, help fat-soluble vitamin absorption. Fat metabolism in young children is not stable, stored fat is easy to use, if the long-term supply shortage, are vulnerable to malnutrition, growth retardation and fat-soluble vitamin deficiency . Child care needed 3 grams of fat per kg body weight per day.
(5) vitamins
it has a close relationship with human life, also called "vitamin". Has a close relation with the growth and development of young children there are vitamins a, b, c, d, and so on. If children lack vitamin a, growth stalled and suffer from dry eyes, night blindness, lack of vitamin B1 can cause loss of appetite, severe cases can suffer from beriberi, lack of vitamin B2, angular Cheilitis can occur; the lack of vitamin c can cause scurvy, lack of vitamin d, it can lead to rickets.
children's need for vitamins than infants also increased. Daily needs in early childhood 1000~1500 international units of vitamin a, vitamin B2 0.6~0.8 mg, niacin 6~8 mg, 30~40 mg of vitamin c, vitamin d is 10 micrograms.
(6) mineral
it refers to the body in addition to carbon, hydrogen, oxygen, nitrogen outside these 4 elements of other elements, its content of calcium, magnesium, potassium, sodium, phosphorus, chlorine, sulfur, 7 elements. Mineral composition of the body and is involved in water-salt metabolism, maintain acid-base balance of essential nutrients. If the body does not have these materials will not constitute some of the tissues in the body, could not maintain the normal physiological activities.
requirements of various minerals in early childhood and infancy are similar, but needs than infants of zinc and iodine have increased significantly. Children need 10 grams of zinc a day, required 70 micrograms of iodine.
(7) CARB
children's main source of heat, if there is insufficient supply, causing Low body weight. Children about 10 grams of carbohydrate per kg body weight per day.
(8) running
which constitute the body of water and other nutrients of the substance, is composed of the body's largest proportion of substance. Without water, people will not be able to sustain life.