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oai:keep.lib.asu.edu:node-1310982024-12-18T20:58:30Zoai_pmh:alloai_pmh:repo_items

131098 https://hdl.handle.net/2286/R.I.57456 http://rightsstatements.org/vocab/InC/1.0/ 2020-05 23 pages eng Lee, Justin Van Horn, Wade Baluch, Debra Herman, Richard School of Life Sciences Barrett, The Honors College Text This study was conducted to observe the effects of varying diets on weight regain after caloric restriction. Touted as a potentially effective non-invasive treatment to obesity, caloric restriction uses the gradual decrease in caloric intake to aid in weight loss. However, once a patient is taken off caloric restriction, a marked regain of weight regain occurs, nullifying the weight loss from caloric restriction. To find ways to suppress this weight regain, this study observed the effects of four different diets: low-fat diet (chow), high-fat diet (HFD), 0.5% concentration menthol infused chow, and 1% concentration menthol infused chow. Over a span of 3 years, 43 male Sprague-Dawley rats were placed through a strict feeding protocol: 3 weeks of chow food (3.1 kcal/gram), 8 or 12 weeks of HFD (5.42 kcal/gram), and caloric restriction for 4 weeks. Separate data analysis was conducted for the year 2017-2018, due to a slightly different protocol when compared to 2018-2019 and 2019-2020. <br/><br/>In 2017-2018, the results showed that 0.5% menthol (n=4) suppressed weight gain more effectively than both the baseline chow diet (n=4, p=0.022) and the HFD (n=4, p=0.027). Again in 2018-2020, the 0.5% menthol (n=6) showed promising results, showing significant suppression of weight gain when compared to chow (n=13, p=0.022). Unfortunately, the difference in weight gain in 1% menthol (n=6) was inconclusive when comparing to both chow and HFD. Although 1% menthol was inconclusive in its efficacy in suppressing weight regain, the promising results on 0.5% menthol show that menthol has the potential to be an effective treatment to both prevent rapid weight gain and maintain weight loss from caloric restriction. Weight Diet Menthol Obesity The Effect of Dietary Menthol on Weight Regain after Caloric Restriction