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Effects of Fresh Watermelon Consumption on the Acute Satiety Response and Cardiometabolic Risk Factors in Overweight and Obese Adults

School of Exercise and Nutritional Sciences, San Diego State University, San Diego, CA 92182, USA
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Nutrients 2019, 11(3), 595; https://doi.org/10.3390/nu11030595
Received: 11 February 2019 / Revised: 1 March 2019 / Accepted: 6 March 2019 / Published: 12 March 2019
Although some studies have demonstrated the beneficial effects of watermelon supplementation on metabolic diseases, no study has explored the potential mechanism by which watermelon consumption improves body weight management. The objective of this study was to evaluate the effects of fresh watermelon consumption on satiety, postprandial glucose and insulin response, and adiposity and body weight change after 4 weeks of intervention in overweight and obese adults. In a crossover design, 33 overweight or obese subjects consumed watermelon (2 cups) or isocaloric low-fat cookies daily for 4 weeks. Relative to cookies, watermelon elicited more (p < 0.05) robust satiety responses (lower hunger, prospective food consumption and desire to eat and greater fullness). Watermelon consumption significantly decreased body weight, body mass index (BMI), systolic blood pressure and waist-to-hip ratio (p ≤ 0.05). Cookie consumption significantly increased blood pressure and body fat (p < 0.05). Oxidative stress was lower at four week of watermelon intervention compared to cookie intervention (p = 0.034). Total antioxidant capacity increased with watermelon consumption (p = 0.003) in blood. This study shows that reductions in body weight, body mass index (BMI), and blood pressure can be achieved through daily consumption of watermelon, which also improves some factors associated with overweight and obesity (clinicaltrials.gov, NCT03380221). View Full-Text
Keywords: watermelon; satiety; oxidative stress; antioxidant; human watermelon; satiety; oxidative stress; antioxidant; human
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Lum, T.; Connolly, M.; Marx, A.; Beidler, J.; Hooshmand, S.; Kern, M.; Liu, C.; Hong, M.Y. Effects of Fresh Watermelon Consumption on the Acute Satiety Response and Cardiometabolic Risk Factors in Overweight and Obese Adults. Nutrients 2019, 11, 595.

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