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Sodium-Reduced Meat and Poultry Products Contain a Significant Amount of Potassium from Food Additives.
J Acad Nutr Diet. 2018 05; 118(5):878-885.JA

Abstract

BACKGROUND

Sodium-reduced packaged food products are increasingly available to consumers; however, it is not clear whether they are suitable for inclusion in a potassium-reduced diet. For individuals with impaired renal potassium excretion caused by chronic kidney disease and for those taking certain medications that interfere with the rennin-angiotensin aldosterone axis, the need to limit dietary potassium is important in view of the risk for development of hyperkalemia and fatal cardiac arrhythmias.

OBJECTIVE

The primary objective of this study was to determine the impact of the reduction of sodium in packaged meat and poultry products (MPPs) on the content of potassium and phosphorus from food additives.

DESIGN

This was a cross-sectional study comparing chemically analyzed MPPs (n=38, n=19 original, n=19 sodium-reduced), selected from the top three grocery chains in Canada, based on market share sales. All MPPs with a package label containing a reduced sodium content claim together with their non-sodium-reduced packaged MPP counterparts were selected for analysis. The protein, sodium, phosphorus, and potassium contents of sodium-reduced MPPs and the non-sodium-reduced (original) MPP counterparts were chemically analyzed according to the Association of Analytical Communities official methods 992.15 and 984.27 and compared by using a paired t test. The frequency of phosphorus and potassium additives appearing on the product labels' ingredient lists were compared between groups by using McNemar's test.

RESULTS

Sodium-reduced MPPs (n=19) contained 44% more potassium (mg/100 g) than their non-sodium-reduced counterparts (n=19) (mean difference [95% CI): 184 [90-279]; P=0.001). The potassium content of sodium-reduced MPPs varied widely and ranged from 210 to 1,500 mg/100 g. Potassium-containing additives were found on the ingredient list in 63% of the sodium-reduced products and 26% of the non-sodium-reduced products (P=0.02). Sodium-reduced MPPs contained 38% less sodium (mg/100 g) than their non-sodium-reduced counterparts (mean difference [95% CI]: 486 [334-638]; P<0.001). The amounts of phosphorus and protein, as well as the frequency of phosphorus additives appearing on the product label ingredient list, did not significantly differ between the two groups.

CONCLUSIONS

Potassium additives are frequently added to sodium-reduced MPPs in amounts that significantly contribute to the potassium load for patients with impaired renal handling of potassium caused by chronic kidney disease and certain medications. Patients requiring potassium restriction should be counseled to be cautious regarding the potassium content of sodium-reduced MPPs and encouraged to make food choices accordingly.

Authors

No affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Journal Article
Research Support, Non-U.S. Gov't

Language

eng

PubMed ID

29311039

Citation

Parpia, Arti Sharma, et al. "Sodium-Reduced Meat and Poultry Products Contain a Significant Amount of Potassium From Food Additives." Journal of the Academy of Nutrition and Dietetics, vol. 118, no. 5, 2018, pp. 878-885.
Parpia AS, Goldstein MB, Arcand J, et al. Sodium-Reduced Meat and Poultry Products Contain a Significant Amount of Potassium from Food Additives. J Acad Nutr Diet. 2018;118(5):878-885.
Parpia, A. S., Goldstein, M. B., Arcand, J., Cho, F., L'Abbé, M. R., & Darling, P. B. (2018). Sodium-Reduced Meat and Poultry Products Contain a Significant Amount of Potassium from Food Additives. Journal of the Academy of Nutrition and Dietetics, 118(5), 878-885. https://doi.org/10.1016/j.jand.2017.10.025
Parpia AS, et al. Sodium-Reduced Meat and Poultry Products Contain a Significant Amount of Potassium From Food Additives. J Acad Nutr Diet. 2018;118(5):878-885. PubMed PMID: 29311039.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Sodium-Reduced Meat and Poultry Products Contain a Significant Amount of Potassium from Food Additives. AU - Parpia,Arti Sharma, AU - Goldstein,Marc B, AU - Arcand,JoAnne, AU - Cho,France, AU - L'Abbé,Mary R, AU - Darling,Pauline B, Y1 - 2018/01/06/ PY - 2016/05/24/received PY - 2017/10/30/accepted PY - 2018/1/10/pubmed PY - 2019/9/27/medline PY - 2018/1/10/entrez KW - Chronic kidney disease KW - Food additives KW - Phosphorus KW - Potassium KW - Sodium reduction SP - 878 EP - 885 JF - Journal of the Academy of Nutrition and Dietetics JO - J Acad Nutr Diet VL - 118 IS - 5 N2 - BACKGROUND: Sodium-reduced packaged food products are increasingly available to consumers; however, it is not clear whether they are suitable for inclusion in a potassium-reduced diet. For individuals with impaired renal potassium excretion caused by chronic kidney disease and for those taking certain medications that interfere with the rennin-angiotensin aldosterone axis, the need to limit dietary potassium is important in view of the risk for development of hyperkalemia and fatal cardiac arrhythmias. OBJECTIVE: The primary objective of this study was to determine the impact of the reduction of sodium in packaged meat and poultry products (MPPs) on the content of potassium and phosphorus from food additives. DESIGN: This was a cross-sectional study comparing chemically analyzed MPPs (n=38, n=19 original, n=19 sodium-reduced), selected from the top three grocery chains in Canada, based on market share sales. All MPPs with a package label containing a reduced sodium content claim together with their non-sodium-reduced packaged MPP counterparts were selected for analysis. The protein, sodium, phosphorus, and potassium contents of sodium-reduced MPPs and the non-sodium-reduced (original) MPP counterparts were chemically analyzed according to the Association of Analytical Communities official methods 992.15 and 984.27 and compared by using a paired t test. The frequency of phosphorus and potassium additives appearing on the product labels' ingredient lists were compared between groups by using McNemar's test. RESULTS: Sodium-reduced MPPs (n=19) contained 44% more potassium (mg/100 g) than their non-sodium-reduced counterparts (n=19) (mean difference [95% CI): 184 [90-279]; P=0.001). The potassium content of sodium-reduced MPPs varied widely and ranged from 210 to 1,500 mg/100 g. Potassium-containing additives were found on the ingredient list in 63% of the sodium-reduced products and 26% of the non-sodium-reduced products (P=0.02). Sodium-reduced MPPs contained 38% less sodium (mg/100 g) than their non-sodium-reduced counterparts (mean difference [95% CI]: 486 [334-638]; P<0.001). The amounts of phosphorus and protein, as well as the frequency of phosphorus additives appearing on the product label ingredient list, did not significantly differ between the two groups. CONCLUSIONS: Potassium additives are frequently added to sodium-reduced MPPs in amounts that significantly contribute to the potassium load for patients with impaired renal handling of potassium caused by chronic kidney disease and certain medications. Patients requiring potassium restriction should be counseled to be cautious regarding the potassium content of sodium-reduced MPPs and encouraged to make food choices accordingly. SN - 2212-2672 UR - https://www.unboundmedicine.com/medline/citation/29311039/Sodium_Reduced_Meat_and_Poultry_Products_Contain_a_Significant_Amount_of_Potassium_from_Food_Additives_ L2 - https://linkinghub.elsevier.com/retrieve/pii/S2212-2672(17)31739-2 DB - PRIME DP - Unbound Medicine ER -