A Cornell University research has found that drinking coffee might cause people to crave for sweets a little more than usual — even despite not being able to properly taste sweet foods in general, due to the caffeine’s aftereffects.
In a study recently published in the Journal of Food Science, a group of food science researchers found that the caffeine content in coffee not only tempers the taste buds temporarily, it can also cause individuals to crave for sweets more than they usually would.
According to the study, the temporary effects of caffeine decreases the coffee drinker’s ability to taste sweetness, where food and drinks that might normally taste sweet to them wouldn’t seem as sweet after consuming coffee. This, however, doesn’t seem to be its only effect.
Aside from the well-known fact that caffeine increases alertness in an individual due to its nature as an antagonist of adenosine receptors, the aftertaste effect it leaves on an individual’s system seem to make coffee drinkers crave sweets a little more than they usually would.
According to the study’s senior author and Assistant Food Science Professor Robin Dando:
”When you drink caffeinated coffee, it will change how you perceive taste — for however long that effect lasts. So if you eat food directly after drinking a caffeinated coffee or other caffeinated drinks, you will likely perceive food differently.”
This unexplained phenomena seemed to have been evident in the experiments that the food scientists have conducted during their research.
The experiments that the researchers conducted also showed evidence that there might be a ‘placebo effect’ among those who involved in the experiment, where subjects who drank caffeinated and decaffeinated drinks felt alert after drinking, not knowing that some of the drinks didn’t actually contain caffeine.
The study, entitled Caffeine May Reduce Perceived Sweet Taste in Humans, Supporting Evidence That Adenosine Receptors Modulate Taste, was co-authored by Benjamin Picket and Ezen Choo.
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