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. 2015 Aug 21;7(8):7058-69.
doi: 10.3390/nu7085322.

Sources and Amounts of Animal, Dairy, and Plant Protein Intake of US Adults in 2007-2010

Stefan M Pasiakos  1 , Sanjiv Agarwal  2   3 , Harris R Lieberman  4 , Victor L Fulgoni 3rd  5   6
Affiliations

Sources and Amounts of Animal, Dairy, and Plant Protein Intake of US Adults in 2007-2010

Stefan M Pasiakos et al. Nutrients. .

Abstract

Dietary guidelines suggest consuming a mixed-protein diet, consisting of high-quality animal, dairy, and plant-based foods. However, current data on the distribution and the food sources of protein intake in a free-living, representative sample of US adults are not available. Data from the National Health and Nutrition Examination Survey (NHANES), 2007-2010, were used in these analyses (n = 10,977, age ≥ 19 years). Several US Department of Agriculture (USDA) databases were used to partition the composition of foods consumed into animal, dairy, or plant components. Mean ± SE animal, dairy, and plant protein intakes were determined and deciles of usual intakes were estimated. The percentages of total protein intake derived from animal, dairy, and plant protein were 46%, 16%, and 30%, respectively; 8% of intake could not be classified. Chicken and beef were the primary food sources of animal protein intake. Cheese, reduced-fat milk, and ice cream/dairy desserts were primary sources of dairy protein intake. Yeast breads, rolls/buns, and nuts/seeds were primary sources of plant protein intake. This study provides baseline data for assessing the effectiveness of public health interventions designed to alter the composition of protein foods consumed by the American public.

Keywords: NHANES; dietary guidelines; energy intake; protein density; recommendations.

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Figures

Figure 1
Figure 1
Percentage of animal, dairy, and plant protein intake among US adults combined and separated by sex using data from NHANES 2007–2010 (n = 10,977, ≥19 years). Total protein intake (mean ± SE) was 82.3 ± 0.8 g/day (98.6 ± 1.1 g/day for men and 67.0 ± 0.7 g/day for women).
Figure 2
Figure 2
Protein density of animal protein foods *, dairy protein foods *, and plant protein foods *. (* Providing at least 1% animal, dairy or plant protein).
See this image and copyright information in PMC

References

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