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Protein Labelling Accuracy for UK Patients with PKU Following a Low Protein Diet

A phenylalanine (protein)-restricted diet is the primary treatment for phenylketonuria (PKU). Patients are dependent on food protein labelling to successfully manage their condition. We evaluated the accuracy of protein labelling on packaged manufactured foods from supermarket websites for foods tha...

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Autores principales: Kraleva, Dilyana, Evans, Sharon, Pinto, Alex, Daly, Anne, Ashmore, Catherine, Pointon-Bell, Kiri, Rocha, Júlio César, MacDonald, Anita
Formato: Online Artículo Texto
Lenguaje:English
Publicado: MDPI 2020
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7696494/
https://www.ncbi.nlm.nih.gov/pubmed/33182603
http://dx.doi.org/10.3390/nu12113440
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author Kraleva, Dilyana
Evans, Sharon
Pinto, Alex
Daly, Anne
Ashmore, Catherine
Pointon-Bell, Kiri
Rocha, Júlio César
MacDonald, Anita
author_facet Kraleva, Dilyana
Evans, Sharon
Pinto, Alex
Daly, Anne
Ashmore, Catherine
Pointon-Bell, Kiri
Rocha, Júlio César
MacDonald, Anita
author_sort Kraleva, Dilyana
collection PubMed
description A phenylalanine (protein)-restricted diet is the primary treatment for phenylketonuria (PKU). Patients are dependent on food protein labelling to successfully manage their condition. We evaluated the accuracy of protein labelling on packaged manufactured foods from supermarket websites for foods that may be eaten as part of a phenylalanine-restricted diet. Protein labelling information was evaluated for 462 food items (“free from”, n = 159, regular, n = 303), divided into 16 food groups using supermarket website data. Data collection included protein content per portion/100 g when food was “as sold”, “cooked” or “prepared”; cooking methods, and preparation instructions. Labelling errors affecting protein content were observed in every food group, with overall protein labelling unclear in 55% (n = 255/462) of foods. There was misleading, omitted, or erroneous (MOE) information in 43% (n = 68/159) of “free from” foods compared with 62% (n = 187/303) of regular foods, with fewer inaccuracies in “free from” food labelling (p = 0.007). Protein analysis was available for uncooked weight only but not cooked weight for 58% (n = 85/146) of foods; 4% (n = 17/462) had misleading protein content. There was a high rate of incomplete, misleading, or inaccurate data affecting the interpretation of the protein content of food items on supermarket websites. This could adversely affect metabolic control of patients with PKU and warrants serious consideration.
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spelling pubmed-76964942020-11-29 Protein Labelling Accuracy for UK Patients with PKU Following a Low Protein Diet Kraleva, Dilyana Evans, Sharon Pinto, Alex Daly, Anne Ashmore, Catherine Pointon-Bell, Kiri Rocha, Júlio César MacDonald, Anita Nutrients Article A phenylalanine (protein)-restricted diet is the primary treatment for phenylketonuria (PKU). Patients are dependent on food protein labelling to successfully manage their condition. We evaluated the accuracy of protein labelling on packaged manufactured foods from supermarket websites for foods that may be eaten as part of a phenylalanine-restricted diet. Protein labelling information was evaluated for 462 food items (“free from”, n = 159, regular, n = 303), divided into 16 food groups using supermarket website data. Data collection included protein content per portion/100 g when food was “as sold”, “cooked” or “prepared”; cooking methods, and preparation instructions. Labelling errors affecting protein content were observed in every food group, with overall protein labelling unclear in 55% (n = 255/462) of foods. There was misleading, omitted, or erroneous (MOE) information in 43% (n = 68/159) of “free from” foods compared with 62% (n = 187/303) of regular foods, with fewer inaccuracies in “free from” food labelling (p = 0.007). Protein analysis was available for uncooked weight only but not cooked weight for 58% (n = 85/146) of foods; 4% (n = 17/462) had misleading protein content. There was a high rate of incomplete, misleading, or inaccurate data affecting the interpretation of the protein content of food items on supermarket websites. This could adversely affect metabolic control of patients with PKU and warrants serious consideration. MDPI 2020-11-10 /pmc/articles/PMC7696494/ /pubmed/33182603 http://dx.doi.org/10.3390/nu12113440 Text en © 2020 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).
spellingShingle Article
Kraleva, Dilyana
Evans, Sharon
Pinto, Alex
Daly, Anne
Ashmore, Catherine
Pointon-Bell, Kiri
Rocha, Júlio César
MacDonald, Anita
Protein Labelling Accuracy for UK Patients with PKU Following a Low Protein Diet
title Protein Labelling Accuracy for UK Patients with PKU Following a Low Protein Diet
title_full Protein Labelling Accuracy for UK Patients with PKU Following a Low Protein Diet
title_fullStr Protein Labelling Accuracy for UK Patients with PKU Following a Low Protein Diet
title_full_unstemmed Protein Labelling Accuracy for UK Patients with PKU Following a Low Protein Diet
title_short Protein Labelling Accuracy for UK Patients with PKU Following a Low Protein Diet
title_sort protein labelling accuracy for uk patients with pku following a low protein diet
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7696494/
https://www.ncbi.nlm.nih.gov/pubmed/33182603
http://dx.doi.org/10.3390/nu12113440
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