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Related Experiment Videos

Counting calories--caveat emptor

D B Allison1, S Heshka, D Sepulveda

  • 1Obesity Research Center, Saint Luke's/Roosevelt Hospital Center, Columbia University College of Physicians & Surgeons, New York, NY 10025.

JAMA
|September 22, 1993
PubMed
Summary
This summary is machine-generated.

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Caloric labels on "diet" and "health" foods are often inaccurate, especially for locally prepared and regionally distributed items. Nationally advertised foods showed more accurate caloric labeling than other categories.

Area of Science:

  • Nutrition Science
  • Food Labeling Accuracy
  • Consumer Health

Background:

  • Accurate caloric information on food labels is crucial for consumers managing weight and health.
  • Previous studies have indicated discrepancies in food labeling, but specific data on
  • diet
  • and
  • health
  • foods across different supplier categories is limited.

Purpose of the Study:

  • To assess the accuracy of caloric labeling for
  • diet
  • and
  • health
  • foods.
  • To investigate whether caloric label accuracy varies among regionally distributed, nationally advertised, and locally prepared food suppliers.

Related Experiment Videos

Main Methods:

  • Bomb calorimetry was used to analyze the actual caloric content of 40
  • diet
  • and
  • health
  • food items.
  • Foods were categorized into regionally distributed (n=12), nationally advertised (n=20), and locally prepared (n=8) groups.
  • Caloric content was measured per item and per gram, and compared to labeled values.

Main Results:

  • Locally prepared foods significantly exceeded their labeled caloric content (mean percentage over label: 85.42%).
  • Regionally distributed foods also showed higher actual kilocalories than labeled (mean percentage over label per item: 25.22%; per gram: 14.97%).
  • Nationally advertised foods exhibited labeling accuracy, with no significant difference between actual and labeled kilocalories.

Conclusions:

  • Current caloric labeling for
  • diet
  • and
  • health
  • foods, particularly those locally prepared or regionally distributed, may be unreliable for precise caloric monitoring.
  • Healthcare professionals should exercise caution and consider these inaccuracies when advising patients on dietary intake based on food labels.