Usually, natural protein contains 4% to 6% phenylalanine, pku treatment so a low-phenylalanine diet must control the intake of natural protein.
For infants, mothers can feed special low-phenylalanine formula, and after birth, infants should be supplemented with low-protein foods such as starch, vegetables, and fruits.
A complete phenylalanine deficiency is not only detrimental to the infant's healthy growth, but can also damage the infant's nervous system.
While mothers control their infants' phenylalanine intake, they also want to make sure that the phenylalanine intake meets the minimum requirements for growth and metabolism.
Low phenylalanine dietary control should not only begin early but continue at least through adolescence, so we generally advocate lifelong treatment.
The choice of food is not only through special formula companies and low-phenylalanine rice, pasta, biscuits, etc., but also through careful addition of breast milk as an option.
However, it is necessary to take special products with low-phenylalanine formula, and the percentage of breast milk is recommended to be no more than 25%, and a dietitian should organize regular guidance to check the patient's serum phenylalanine level.
Other foods, such as most vegetables, fruits and other foods rich in vitamins, trace elements and fiber, can also be consumed. Pasta and starchy foods such as corn, potatoes, and sweet potatoes, contain some amount of phenylalanine and
Intake needs to be controlled; meat, fish, eggs, seafood, regular dairy products, soy products, are generally not recommended or under strict nutritional guidance of a dietitian.