Energy density is defined as the energy content per unit weight of foods, meals or diets (expressed here as kJ 100 g−1). Owing to differing effects on satiation and satiety, it is necessary to consider solid foods and drinks separately. This paper concentrates on the solid components of diets.
Fast foods, energy density and obesity: a possible mechanistic link
Article first published online: 5 NOV 2003
Volume 4, Issue 4, pages 187–194, November 2003
How to Cite
Prentice, A. M. and Jebb, S. A. (2003), Fast foods, energy density and obesity: a possible mechanistic link. Obesity Reviews, 4: 187–194. doi: 10.1046/j.1467-789X.2003.00117.x
Data are from 147 women studied by 6-d weighed inventory (A Prentice & LMA Jarjou, personal communication). Diet composition was derived from an in-house software package based on extensive compositional analysis of Gambian foods (26) and energy density was calculated after excluding drinks.
Data are from the 1986/87 Survey of British Adults aged 16–64 years (n = 2197) (27); the 1994/95 National Diet and Nutrition Survey of elderly aged > 65 years (n = 1275) (28); and the 1997 National Diet and Nutrition Survey of children aged 4–18 years (n = 1701) (29). Energy density was calculated for the whole diet minus tea, coffee, water and soft drinks.
The examples cited here are from Burger King (http://www.burgerking.com), Jack in the Box (http://www.jackinthebox.com), KFC (http://www.kfc.com) and McDonald's (http://www.mcdonalds.com). These are generally representative of the market sector as a whole. Data from a fast food outlet that promotes a healthy image for its products were also extracted (http://www.subway.com). Data were extracted in July 2002.
- Issue published online: 5 NOV 2003
- Article first published online: 5 NOV 2003
- Received 19 May 2003; revised 15 July 2003; accepted 4 August 2003
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