American Journal of Clinical Nutrition, Vol 68, 282-290, Copyright © 1998 by The American Society for Clinical Nutrition, Inc

ORIGINAL RESEARCH COMMUNICATIONS

Effect of fat-free potato chips with and without nutrition labels on fat and energy intakes

DL Miller, VH Castellanos, DJ Shide, JC Peters and BJ Rolls
The Pennsylvania State University, Nutrition Department, University Park 16802-6501, USA. dbmiller@welchlink.welch.jhu.edu

This study investigated the effect on fat and energy intakes of fat- free potato chips made with olestra compared with regular potato chips. Ninety-five participants (unrestrained and restrained males and females) were tested in 2 conditions. In the information condition, participants were given nutrition information about the chips and were aware that the chips differed in fat and energy contents. In the no- information condition, participants were not aware of the differences. In both conditions, participants ate either regular or fat-free potato chips ad libitum for an afternoon snack in a crossover design in two 10- d periods. To assess 24-h intake, participants completed food diaries twice in each 10-d period. The results showed that all groups significantly reduced their fat and energy intakes in the snack when eating the fat-free chips compared with the regular chips (P< 0.0001). Also, potato chip intake did not differ across time for either type of chip. Over 24 h all participants had lower fat intakes (P< 0.05) when eating the fat-free potato chips compared with the regular chips, but 24-h energy intake was not significantly different between groups. When information was provided, restrained participants ate more of the fat- free chips than the regular chips; however, this increase did not negate the reductions in fat and energy associated with eating the fat- free chips. This study showed that substituting fat-free (olestra- containing) potato chips for regular-fat chips can help reduce fat and energy intakes in short-term (within meal) situations and reduce fat intake over 24 h.

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