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Dietary intake analysis in institutionalized elderly: a focus on nutrient density.

Y N Berner1, F Stern, Z Polyak

  • 1Institute of Biochemistry, Food Science and Nutrition, Faculty of Agricultural, Food and Environmental Quality Sciences, Rehovot 76100, Israel. dror@agri.huji.ac.il

The Journal of Nutrition, Health & Aging
|December 18, 2002
PubMed
Summary

Poor food intake in elderly individuals can lead to nutrient deficiencies. This study assessed institutionalized elderly, finding low intakes of fiber, calcium, magnesium, zinc, copper, and several vitamins, highlighting a need for improved nutritional support.

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Area of Science:

  • Gerontology
  • Nutritional Science
  • Public Health

Background:

  • Inadequate food intake in older adults can negatively impact physiological and health status.
  • Suboptimal nutrient intake is a significant concern for the elderly population.

Purpose of the Study:

  • To assess the nutritional status of institutionalized elderly individuals through dietary intake analysis.
  • To compare these findings with existing research on elderly nutrition.

Main Methods:

  • Dietary intake was evaluated in 50 institutionalized elderly participants (mean age 84.6 years).
  • Data collection utilized structured food frequency questionnaires referencing institutional recipes, menus, and portion sizes.

Main Results:

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  • Average daily energy intake was 1.91 Mcal with low dietary fiber (3.92 g/Mcal).
  • Low intakes were observed for calcium, magnesium, zinc, copper, and vitamins D, E, B6, thiamin, and folic acid.
  • Nutrient densities for several vitamins and minerals fell below recommended dietary allowances (RDAs).

    • Conclusions:

    • Supplementation with half the RDA for most micronutrients could improve intake levels.
    • This suggests a potential strategy to enhance nutrient status in institutionalized elderly individuals.