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Effects of carbohydrates on satiety: differences between liquid and solid food
1Department of Nutrition, Harvard School of Public Health, and Channing Laboratory, Department of Medicine, Brigham and Women's Hospital, Boston, Massachusetts 02115, USA.
Current Opinion in Clinical Nutrition and Metabolic Care
|April 27, 2011
Summary
Liquid carbohydrates, such as sugar-sweetened beverages, provide less satiety than solid forms, potentially increasing long-term energy intake and impacting weight management.
Area of Science:
- Nutrition Science
- Metabolism
- Dietary Studies
Background:
- Carbohydrate intake significantly influences satiety and energy balance.
- Global consumption of liquid carbohydrates, especially sugar-sweetened beverages, has risen.
- Existing research on dietary fiber, whole grains, and glycemic load yields inconclusive results regarding satiety.
Purpose of the Study:
- To investigate the satiety effects of carbohydrates.
- To compare the satiety impact of liquid versus solid carbohydrate forms.
- To understand implications for energy balance and weight management.
Main Methods:
- Review of existing studies on carbohydrate satiety.
- Analysis of energy intake following consumption of liquid and solid carbohydrates.
- Consideration of factors influencing satiety responses.
Main Results:
- Liquid carbohydrates generally induce lower satiety compared to solid forms.
- Incomplete compensation for energy from liquids at subsequent meals leads to increased total energy intake.
- Individual patient characteristics (e.g., race, sex, body weight) may influence satiety responses.
Conclusions:
- The physical form of carbohydrates (liquid vs. solid) is a key factor affecting satiety.
- Liquid carbohydrates tend to promote less satiety than their solid counterparts.
- Further research is needed to explore differential satiety responses in diverse populations.
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