Effects of peanut oil consumption on appetite and food choice

ABSTRACT OBJECTIVE: Peanut consumption may improve lipid profiles without promoting weight gain. Both properties have been attributed to their high-unsaturated fat content. Mono and

polyunsaturated fatty acids reportedly hold stronger satiety value than saturated fats and may help appetite control. This study investigated the effects of chronic peanut oil consumption on

appetite and food choice. RESEARCH METHODS AND PROCEDURES: A total of 129 healthy adults from three countries (Brazil, Ghana and US) were randomly assigned to one of four treatment arms:

consumption of peanut oil, olive oil or safflower oil as 30% of individual resting energy expenditure (REE) for 8 weeks or no dietary intervention. Participants received no other dietary

guidance. They completed appetite questionnaires eliciting information about hunger, fullness, desire to eat, and prospective consumption during all waking hours for 1 day at weeks 2 and 6

and for 1 or 3 days at weeks 0, 4 and 8. Diet records were completed at weeks 0, 4 and 8. RESULTS: No differences in appetitive ratings were observed over the 8-week trial. There were no

significant treatment by time interactions. Total caloric intake was significantly higher at week 8 relative to baseline (_F_=10.08, _P_<0.05). The increases for each treatment were:

peanut oil=197±114; olive oil=237±121; safflower oil=274±90; control=75±71. Free-feeding intake, an index of dietary compensation, was reduced significantly at weeks 4 and 8 compared to

baseline (_F_=9.08, _P_<0.00). The declines (compensation scores) were (kcals): peanut oil=−208±105 (46%); olive oil=−235±105 (50%); safflower oil=−186±102 (44%). There were no

significant differences across countries in appetite ratings. DISCUSSION: A prior intervention with whole peanuts reported a dietary compensation score of 66% over 8 weeks, this compares to

a 46% compensation score observed with peanut oil. Our data suggests that the lipid fraction in peanuts elicits a weak effect on satiety. Access through your institution Buy or subscribe

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70: 504S–511S. Article  CAS  Google Scholar  Download references AUTHOR INFORMATION AUTHORS AND AFFILIATIONS * Department of Foods and Nutrition, Purdue University, West Lafayette, IN, USA S

S Iyer & R D Mattes * Food Research Institute, M.20, Accra, Ghana L A Boateng & P Lokko * Federal University of Viçosa, MG, Brazil R L Sales, S B Coelho, J B R Monteiro & N M B

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search for this author inPubMed Google Scholar CORRESPONDING AUTHOR Correspondence to R D Mattes. RIGHTS AND PERMISSIONS Reprints and permissions ABOUT THIS ARTICLE CITE THIS ARTICLE Iyer,

S., Boateng, L., Sales, R. _et al._ Effects of peanut oil consumption on appetite and food choice. _Int J Obes_ 30, 704–710 (2006). https://doi.org/10.1038/sj.ijo.0803180 Download citation *

Received: 27 May 2005 * Revised: 29 August 2005 * Accepted: 10 September 2005 * Published: 29 November 2005 * Issue Date: 01 April 2006 * DOI: https://doi.org/10.1038/sj.ijo.0803180 SHARE

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clipboard Provided by the Springer Nature SharedIt content-sharing initiative KEYWORDS * satiety * appetite * energy intake * peanut oil * free-feeding intake * dietary compensation