Today, fructose is added as a sweet ingredient to foods such as beverages, pastries, and the like. In many people’s minds, it is healthier than glucose. However, a recent study in the United States showed that fructose does not produce satiety compared with glucose, and is more likely to cause people’s desire for high-calorie foods.
Researchers at the University of Southern California convened 24 volunteers to let them drink a fructose drink for a while, asking them to describe their level of hunger and scan their brains to see their reaction to attractive food pictures. The same trial continued after a few days, the only difference being the replacement of fructose-containing beverages with glucose-containing beverages.
The results showed that people who drank fructose drinks responded more hungry, and brain scans showed that when they watched pictures of high-fat foods, the brain’s “reward center” activity was more active, which increased the motivation of the person to eat.
It should be noted that although the fruit also contains fructose, it also has a large amount of dietary fiber, so it does not bring the above problems, and the fruit also contains a large amount of vitamins and minerals, which are high nutrient density foods. The fructose used in various processed foods is not extracted from fruits, but processed from starch, and is added in a large amount to foods of low nutrient density such as beverages and cakes. When these fructose are absorbed, most of them become glucose through the liver, which also produces heat or synthetic fat. In addition, fructose also promotes the synthesis of endogenous uric acid, which is detrimental to gout patients. Therefore, in general, fructose is not a healthy ingredient. When you buy food, you should carefully look at the ingredients list.