[Comparative study of special products "Tetraphen" and "Phenyl-free" in diet therapy of children with phenylketonuria]. / Sravnitel'naia otsenka ispol'zovaniia spetsializirovannykh produktov "Tetrafen" i "Fenil-fri" v dietoterapii detei, bol'nykh fenilketonuriei.

Basing on the comparative clinical and biochemical evaluation of the usage of the specialized product "Tetraphen" (Russia) and early utilized product "Phenyl-Free" (USA) it has been shown that "Tetraphen" does not yield to "Phenyl-Free", while some of its parameters (energy value, carbohydrate content) even in the higher degree correspond to the physiologic requirements of this aged children suffering from phenylketonuria. Intake of this product in smaller doses completely covers their requirements for the basic food ingredients. High frequency of carotenoids insufficiency in children received both "Tetraphen" and "Phenyl-Free" demonstrate necessity of the diet correction by means of beta-carotene additional supplementation.