These results suggest that manipulations of texture and creamy flavor can increase expectations that a fruit yogurt drink will be filling and suppress hunger, irrespective of the drink's energy content.
Note that a thicker texture enhanced expectations of satiety to a greater extent than a creamier flavor.Thicker drinks are more likely to make you feel full and keep feeling that way longer for the same amount of calories than thin drinks, an experimental study suggested.
Creaminess also boosted people's ratings of how full a drink would make them, but didn't have an impact on expectations about satiety in comparison to solid food, Keri McCrickerd, a PhD student at the University of Sussex in Brighton, England, and colleagues found.
Their results on varying the thickness, creaminess, and amount of calories in a yogurt drink were reported online in Flavour.
Soda, coffee, and other "liquid calories" add up to a substantial proportion of total daily energy intake in Western countries and appear to contribute to obesity and weight gain.
Part of the problem is that the calories they contain don't feel like calories -- fluids don't suppress appetite to the same extent as solids for the same calorie content, nor do they tend to replace other food intake, based on prior studies.
31/10/2012 : By Crystal Phend / MedPage Today.
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