Protective Effects of High Dietary Potassium: Nutritional and Metabolic Aspects

Demigné, Christian, Sabboh, Houda, Rémésy, Christian and Meneton, Pierre (2004) Protective Effects of High Dietary Potassium: Nutritional and Metabolic Aspects. Journal of Nutrition, 134 11: 2903-2906.


Author Demigné, Christian
Sabboh, Houda
Rémésy, Christian
Meneton, Pierre
Title Protective Effects of High Dietary Potassium: Nutritional and Metabolic Aspects
Journal name Journal of Nutrition   Check publisher's open access policy
ISSN 0022-3166
Publication date 2004-11
Sub-type Article (original research)
Volume 134
Issue 11
Start page 2903
End page 2906
Total pages 4
Place of publication Bethesda, MD
Publisher American Society for Nutrition
Language eng
Subject 111199 Nutrition and Dietetics not elsewhere classified
Abstract Potassium (K+) requirements have been largely overlooked because severe deficiencies are uncommon due to the ubiquity of this element in foods. However, a transition toward modern ("Westernized") diets has led to a substantial decline of K+ intake compared with traditional food habits, and a large fraction of the population might now have suboptimal K+ intake. A high K+ intake was demonstrated to have protective effects against several pathologic states affecting the cardiovascular system, kidneys, and bones. Additionally, fruits and vegetables contain K/organic anion salts (malate, citrate), which exert alkalinizing effects, through KHCO3– generation, which serves to neutralize fixed acidity in urine. Low-grade metabolic acidosis, when not properly controlled, may exacerbate various catabolic processes (bone Ca++ mobilization, proteolysis), especially in the elderly. Fruits and vegetables are therefore receiving great attention in a strategy to increase the nutritional value of meals while reducing energy density and intake. The need to ensure a 2.5- to 3.5-g daily K+ supply from fruits and vegetables represents a strong rationale for the "5–10 servings per day" recommendations.
Keyword potassium
magnesium
Westernized diet
plant food
acid-base
energy density
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status Unknown

Document type: Journal Article
Sub-type: Article (original research)
Collections: Excellence in Research Australia (ERA) - Collection
Centre for Nutrition and Food Sciences Publications
 
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Created: Wed, 01 Apr 2009, 15:30:31 EST by Ms Lynette Adams on behalf of Centre for Nutrition and Food Sciences