Protein substitutes for phenylketonuria in Europe: access and nutritional composition.

Abstract:

BACKGROUND/OBJECTIVES:Protein substitutes (PS) are an essential component in the dietary management of phenylketonuria (PKU). PS are available as phenylalanine-free amino-acid mixtures (AAM), glycomacropeptide-based PS (GMP) and large neutral amino acids (LNAA). There is a lack of information regarding their availability in different countries and comparison of their nutritional composition is limited. The objectives of this study were to identify the number of PS available in different European countries and Turkey and to compare their nutritional composition. SUBJECTS/METHODS:Members of the European Nutritionist Expert Panel on PKU (ENEP) (Portugal, Spain, Belgium, Italy, Germany, Netherlands, United Kingdom, Denmark and Turkey) provided data on PS available in each country. The nutritional composition of PS available in Portugal was analyzed. RESULTS:The number of PS available in each country varied from 30 (Turkey) to 105 (Germany), with a median of 64. GMP was available only in Portugal, whereas LNAA was an option in Portugal, Italy, Turkey and Denmark. Some PS were designed for weaning. Many PS did not contain added fat and fiber. GMP contained the highest carbohydrate (CHO) and energy content as well as higher LNAA content compared with AAM. Only one AAM contained added fructo-oligosaccharides and galacto-oligosaccharides. AAM designed for the first year of life had the highest CHO, fat and LNAA contribution. Liquid AAM had lower CHO and fat contents compared with powdered AAM, but contained higher LNAA. CONCLUSIONS:There was widely dissimilar numbers of PS available in different countries. Nutritional composition of different PS was variable and should be considered before prescription.

journal_name

Eur J Clin Nutr

authors

Pena MJ,de Almeida MF,van Dam E,Ahring K,Bélanger-Quintana A,Dokoupil K,Gokmen-Ozel H,Lammardo AM,MacDonald A,Robert M,Rocha JC

doi

10.1038/ejcn.2016.54

subject

Has Abstract

pub_date

2016-07-01 00:00:00

pages

785-9

issue

7

eissn

0954-3007

issn

1476-5640

pii

ejcn201654

journal_volume

70

pub_type

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