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Research: CASPERSON and COLLEAGUES,
Listed in Issue 297
Abstract
CASPERSON and COLLEAGUES, 1. USDA, Agricultural Research Service, Grand Forks Human Nutrition Research Center, 2420 2nd Ave. North, Grand Forks, ND, 58203-9034, USA. shanon.casperson@ars.usda.gov ; 2. USDA, Agricultural Research Service, Grand Forks Human Nutrition Research Center, 2420 2nd Ave. North, Grand Forks, ND, 58203-9034, USA conducted a randomized crosser study to determine the effects of consuming a SSB [sugar-sweetened] or NSB [non-nutritive sweetened] on appetite and the reinforcing value of sweet relative to salty/savory snack foods.
Background
The effects of sugar-sweetened (SSB) and non-nutritive sweetened (NSB) beverages on the regulation of appetite, energy intake and body weight regulation remain controversial.
Methodology
Using a behavioural choice paradigm, we sought to determine the effects of consuming a SSB or NSB on appetite and the reinforcing value of sweet relative to salty/savory snack foods. In a randomized crossover study, 21 healthy weight adults consumed 360 ml of SSB (sucrose; 31 g) or NSB (sucralose; 4 g) with a standardized meal. Hedonic ratings for the sweet and salty/savory snack foods used for the reinforcement task were assessed prior to the start of the study. Satiety and the desire to eat foods with a specific taste profile were assessed before and every 30 min post-meal for 4 h. The relative reinforcing value of the snack foods was assessed using a computer-based choice task (operant responding with concurrent schedules of reinforcement) 4 h post-meal.
Results
Hedonic ratings did not differ between the most highly liked sweet and salty/savory snack foods. Beverage type did not influence measures of satiety or the desire to eat foods with a specific taste. However, sweet snacks were more (p < 0.05) reinforcing relative to salty/savory snack foods after consuming a NSB than after a SSB.
Conclusion
In conclusion, this is the first study to demonstrate that NSB can increase the motivation to gain access to sweet snacks relative to salty/savoury snack foods later in the day.
References
Casperson SL1, Johnson L2, Roemmich JN2. The relative reinforcing value of sweet versus savory snack foods after consumption of sugar- or non-nutritive sweetened beverages. Appetite. 1;112:143-149. doi: 10.1016/j.appet.2017.01.028. Epub 2017 Jan 23. May 2017.
