The influence of food portion size and energy density on energy intake: implications for weight management.

Julia A. Ello-Martin, Jenny H. Ledikwe, Barbara Jean Rolls

Research output: Contribution to journalReview article

321 Citations (Scopus)

Abstract

The increase in the prevalence of obesity has coincided with an increase in portion sizes of foods both inside and outside the home, suggesting that larger portions may play a role in the obesity epidemic. Although it will be difficult to establish a causal relationship between increasing portion size and obesity, data indicate that portion size does influence energy intake. Several well-controlled, laboratory-based studies have shown that providing older children and adults with larger food portions can lead to significant increases in energy intake. This effect has been demonstrated for snacks and a variety of single meals and shown to persist over a 2-d period. Despite increases in intake, individuals presented with large portions generally do not report or respond to increased levels of fullness, suggesting that hunger and satiety signals are ignored or overridden. One strategy to address the effect of portion size is decreasing the energy density (kilojoules per gram; kilocalories per gram) of foods. Several studies have demonstrated that eating low-energy-dense foods (such as fruits, vegetables, and soups) maintains satiety while reducing energy intake. In a clinical trial, advising individuals to eat portions of low-energy-dense foods was a more successful weight loss strategy than fat reduction coupled with restriction of portion sizes. Eating satisfying portions of low-energy-dense foods can help to enhance satiety and control hunger while restricting energy intake for weight management.

Original languageEnglish (US)
JournalAmerican Journal of Clinical Nutrition
Volume82
Issue number1 Suppl
StatePublished - Jul 2005

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Portion Size
portion size
energy density
weight control
Energy Intake
energy intake
Weights and Measures
Food
satiety
obesity
hunger
Hunger
Obesity
energy
ingestion
Eating
soups
snacks
Snacks
meals (menu)

All Science Journal Classification (ASJC) codes

  • Food Science
  • Medicine (miscellaneous)

Cite this

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The influence of food portion size and energy density on energy intake : implications for weight management. / Ello-Martin, Julia A.; Ledikwe, Jenny H.; Rolls, Barbara Jean.

In: American Journal of Clinical Nutrition, Vol. 82, No. 1 Suppl, 07.2005.

Research output: Contribution to journalReview article

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