Document Detail

Phosphorus-containing food additives and the accuracy of nutrient databases: implications for renal patients.
MedLine Citation:
PMID:  17720105     Owner:  NLM     Status:  MEDLINE    
OBJECTIVE: Phosphorus-containing additives are increasingly being added to food products. We sought to determine the potential impact of these additives. We focused on chicken products as an example.
METHODS: We purchased a variety of chicken products, prepared them according to package directions, and performed laboratory analyses to determine their actual phosphorus content. We used ESHA Food Processor SQL Software (version 9.8, ESHA Research, Salem, OR) to determine the expected phosphorus content of each product.
RESULTS: Of 38 chicken products, 35 (92%) had phosphorus-containing additives listed among their ingredients. For every category of chicken products containing additives, the actual phosphorus content was greater than the content expected from nutrient database. For example, actual phosphorus content exceeded expected phosphorus content by an average of 84 mg/100 g for breaded breast strips. There was also a great deal of variation within each category. For example, the difference between actual and expected phosphorus content ranged from 59-165 mg/100 g for breast patties. Two 100-g servings of additive-containing products contained, on average, 440 mg of phosphorus, or about half the total daily recommended intake for dialysis patients.
CONCLUSIONS: Phosphorus-containing additives significantly increase the amount of phosphorus in chicken products. Available nutrient databases do not reflect this higher phosphorus content, and the variation between similar products makes it impossible for patients and dietitians to accurately estimate phosphorus content. We recommend that dialysis patients limit their intake of additive-containing products, and that the phosphorus content of food products be included on nutrition facts labels.
Catherine M Sullivan; Janeen B Leon; Ashwini R Sehgal
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Publication Detail:
Type:  Journal Article; Research Support, N.I.H., Extramural    
Journal Detail:
Title:  Journal of renal nutrition : the official journal of the Council on Renal Nutrition of the National Kidney Foundation     Volume:  17     ISSN:  1532-8503     ISO Abbreviation:  J Ren Nutr     Publication Date:  2007 Sep 
Date Detail:
Created Date:  2007-08-27     Completed Date:  2007-10-03     Revised Date:  2014-09-14    
Medline Journal Info:
Nlm Unique ID:  9112938     Medline TA:  J Ren Nutr     Country:  United States    
Other Details:
Languages:  eng     Pagination:  350-4     Citation Subset:  IM    
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MeSH Terms
Databases, Factual
Food Additives / analysis*
Food Analysis / standards
Nutritional Physiological Phenomena
Phosphorus / administration & dosage,  adverse effects,  analysis*
Poultry Products / analysis*
Renal Dialysis*
Renal Insufficiency / diet therapy*,  therapy
Grant Support
Reg. No./Substance:
0/Food Additives; 27YLU75U4W/Phosphorus

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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