Document Detail

Portion size of campus takeaway foods and serving size estimates of common foods.
MedLine Citation:
PMID:  15023626     Owner:  NLM     Status:  In-Data-Review    
Background - Advertised meal deals are increasing in size, the average Australian is increasing in size and consumers appear to have lost the ability to judge appropriate food portion size. Objective - To investigate portion size of foods from on campus food outlets, takeaway outlets and supermarkets compared with the unspecified serve values of the National Nutrition Survey (1995) and the ability of consumers to judge appropriate food portion size from bulk food. Design - In the serving size study 58 foods were purchased from supermarkets, takeaway and university food outlets. The weight in grams of these purchased foods was compared with the ' unspecified serve' size of the most appropriate food. The estimation of portions size study recruited 100 subjects; 50 dietitians and 50 non-dietitians who estimated standard portions from a variety of bulk food supplies. Outcomes - In total, 86% of the purchased foods weighed greater than the unspecified serve, with a total of 39% being more than double the weight. Twelve percent of the total products purchased weighed less than the equivalent unspecified serve. There were significant differences between the mean estimations made by both dietitians and non-dietitians and unspecified serves, for most bulk items. Conclusions - This research confirms that people lack the ability to estimate appropriate portion sizes from bulk food items. The larger portion sizes produced by the food industry may have an impact on the community's knowledge of appropriate quantities of food to eat. These factors could well be contributing to the increases in the rates of overweight and obesity in society.
D H Volker; C Leary; T P Gill
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Asia Pacific journal of clinical nutrition     Volume:  12 Suppl     ISSN:  0964-7058     ISO Abbreviation:  Asia Pac J Clin Nutr     Publication Date:  2003  
Date Detail:
Created Date:  2004-03-16     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9440304     Medline TA:  Asia Pac J Clin Nutr     Country:  Australia    
Other Details:
Languages:  eng     Pagination:  S25     Citation Subset:  IM    
Human Nutrition Unit, University of Sydney, NSW 2006.
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