Document Detail

Vegetable variety: an effective strategy to increase vegetable intake in adults.
MedLine Citation:
PMID:  22818729     Owner:  NLM     Status:  MEDLINE    
Effective strategies are needed to increase vegetable intake in accordance with health recommendations. Previous research has shown that increasing the variety of foods leads to increased consumption, yet this strategy has not been investigated for promoting vegetable intake. This crossover study, conducted in 2008 and 2009, tested whether filling half the plate with a variety of vegetables influences vegetable consumption and meal energy intake. Once a week for 4 weeks, a meal of pasta and cooked vegetables was consumed ad libitum by 66 adults (34 women, 32 men). The meals were varied in the type of vegetables offered: at three meals 600 g of a single vegetable was served (broccoli, carrots, or snap peas) and at one meal 200 g of each of the three vegetables was served side by side. Data were analyzed using a mixed linear model with repeated measures. In this study, serving a variety of vegetables increased vegetable intake at the meal (P<0.0001). Subjects ate more vegetables when served the variety than when served any single type; the mean increase was 48±6 g, or more than one-half serving. This increase remained significant when intake of the variety of vegetables was compared with the preferred vegetable of each participant (mean 25±8 g; P=0.002). Vegetable intake was not significantly related to energy intake at the meal. The results of this study demonstrate that increasing the variety of low-energy-dense vegetables served at a meal can be used as a strategy to increase vegetable intake.
Jennifer S Meengs; Liane S Roe; Barbara J Rolls
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Publication Detail:
Type:  Journal Article; Randomized Controlled Trial; Research Support, N.I.H., Extramural    
Journal Detail:
Title:  Journal of the Academy of Nutrition and Dietetics     Volume:  112     ISSN:  2212-2672     ISO Abbreviation:  J Acad Nutr Diet     Publication Date:  2012 Aug 
Date Detail:
Created Date:  2012-07-23     Completed Date:  2012-09-27     Revised Date:  2013-08-12    
Medline Journal Info:
Nlm Unique ID:  101573920     Medline TA:  J Acad Nutr Diet     Country:  United States    
Other Details:
Languages:  eng     Pagination:  1211-5     Citation Subset:  AIM; IM    
Copyright Information:
Copyright © 2012 Academy of Nutrition and Dietetics. Published by Elsevier Inc. All rights reserved.
Department of Nutritional Sciences, The Pennsylvania State University, University Park, PA 16802, USA.
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MeSH Terms
Cross-Over Studies
Energy Intake / physiology
Food Habits
Food Preferences*
Health Promotion / methods*
Linear Models
Middle Aged
Nutritional Sciences / education*
Young Adult
Grant Support

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