понедельник, 26 августа 2013 г.

The Human Brain Reacts Differently To The Use Of Fructose And Glucose

The Human Brain Reacts Differently To The Use Of Fructose And Glucose.
New digging suggests that fructose, a mean sugar found uncomplicatedly in fruit and added to many other foods as region of high-fructose corn syrup, does not abate hunger and may cause man to eat more compared to another simple sugar, glucose. Glucose and fructose are both undesigning sugars that are included in one and the same parts in table sugar skin care z. In the creative study, brain scans suggest that several things happen in your brain, depending on which sugar you consume.

Yale University researchers looked for appetite-related changes in blood movement in the hypothalamic district of the brains of 20 salutary adults after they ate either glucose or fructose. When relatives consumed glucose, levels of hormones that pleasure a role in sentient full were high capsule. In contrast, when participants consumed a fructose beverage, they showed smaller increases in hormones that are associated with overindulgence (feeling full).

The findings are published in the Jan 2, 2013 originate of the Journal of the American Medical Association. Dr Jonathan Purnell, of Oregon Health & Science University in Portland, co-authored an leader that accompanied the different study. He said that the findings replicate those found in whilom being studies, but "this does not assay that fructose is the cause of the portliness epidemic, only that it is a feasible contributor along with many other environmental and genetic factors".

That said, fructose has found its technique into Americans' diets in the decorum of sugars - typically in the genus of high-fructose corn syrup - that are added to beverages and processed foods. "This increased intake of added sugar containing fructose over the ago several decades has coincided with the flood in rotundity in the population, and there is striking affirmation from sensual studies that this increased intake of fructose is playing a lines in this phenomenon," said Purnell, who is ally professor in the university's division of endocrinology, diabetes and clinical nutrition.

But he stressed that nutritionists do not "recommend avoiding native sources of fructose, such as fruit, or the spare use of honey or syrup". And according to Purnell, "excess consumption of processed sugar can be minimized by preparing meals at diggings using unharmed foods and high-fiber grains".

Connie Diekman, executive of university nutrition at Washington University in St Louis, agreed that more analyse is needed. "This haunt provides an provocative expression at how the brain reacts to out of the ordinary chemicals found in foods, but how this might impact corpulence and the growing number of people who are obese cannot be exact from this study alone," she said.

Dr Scott Kahan, maestro of the National Center for Weight and Wellness in Washington, DC, added there is a lot that scientists do not separate about fructose and how it affects your body. "There are certainly differences between sugar molecules, and these are still being worked out scientifically," he said.

According to Kahan, high-fructose corn syrup, a ubiquitous sweetener that manufacturers amity because it is inexpensive, super-sweet and helps unroll shelf life, gets a severe colloquy about its possibility place in the grossness epidemic, but it has about the same amount of fructose as pigeon-hole sugar (sucrose). "We don't lock know if there is some uniquely unhealthy aspect of high-fructose corn syrup," he said.

One contrivance that is clear, Kahan said, is that "almost all of us feed-bag too much sugar, and if we can ease that we will be healthier on a number of levels". Dr Louis Aronne, abort and director of the Comprehensive Weight Control Program at New York-Presbyterian Hospital/Weill Cornell Medical Center in New York City, well-known that most sweeteners confine a compound of glucose and fructose. For these reasons, "the sensation is not as overdone as you might see in a pilot like this".

Still, a growing body of evidence is pointing toward the hypothalamic wisdom region as having a task in obesity. "Things as subtle as a change in sweetener can have an crashing on how full somebody feels, and could outrun to an increase in calorie intake and an increasing original in obesity seen in this country," he said.

So what to do? As a nutritionist, Sharon Zarabi, of Lenox Hill Hospital in New York City, tells her patients to know rations labels slim line tableti. "Avoid having fructose or glucose listed as one of as the first place three ingredients, and modify stable that sugar is less than 10 grams per serving".

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