The Human Brain Reacts Differently To The Use Of Fructose And Glucose.
New delve into suggests that fructose, a imbecile sugar found unpretentiously in fruit and added to many other foods as party of high-fructose corn syrup, does not stifle appetite and may cause people to eat more compared to another simple sugar, glucose. Glucose and fructose are both subservient sugars that are included in level pegging parts in table sugar natural. In the new study, planner scans suggest that different things happen in your brain, depending on which sugar you consume.
Yale University researchers looked for appetite-related changes in blood drift in the hypothalamic part of the brains of 20 wholesome adults after they ate either glucose or fructose. When people consumed glucose, levels of hormones that disport a role in sentient full were high hghster.men. In contrast, when participants consumed a fructose beverage, they showed smaller increases in hormones that are associated with saturation (feeling full).
The findings are published in the Jan 2, 2013 daughter of the Journal of the American Medical Association. Dr Jonathan Purnell, of Oregon Health & Science University in Portland, co-authored an essay that accompanied the reborn study. He said that the findings replicate those found in earlier being studies, but "this does not support that fructose is the cause of the obesity epidemic, only that it is a possible contributor along with many other environmental and genetic factors".
That said, fructose has found its feeling into Americans' diets in the contrive of sugars - typically in the form of high-fructose corn syrup - that are added to beverages and processed foods. "This increased intake of added sugar containing fructose over the since several decades has coincided with the increase in weight in the population, and there is noisome evidence from animal studies that this increased intake of fructose is playing a duty in this phenomenon," said Purnell, who is accessory professor in the university's division of endocrinology, diabetes and clinical nutrition.
But he stressed that nutritionists do not "recommend avoiding unstudied 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 retirement community using intact foods and high-fiber grains".
Connie Diekman, top banana of university nutrition at Washington University in St Louis, agreed that more examination is needed. "This study provides an fascinating look at how the brain reacts to different chemicals found in foods, but how this might crash obesity and the growing number of people who are obese cannot be constant from this study alone".
Dr Scott Kahan, director of the National Center for Weight and Wellness in Washington, DC, added there is a lot that scientists do not positive about fructose and how it affects your body. "There are certainly differences between sugar molecules, and these are still being worked out scientifically".
According to Kahan, high-fructose corn syrup, a ubiquitous sweetener that manufacturers intended because it is inexpensive, super-sweet and helps supplement shelf life, gets a injurious talk about its dormant role in the obesity epidemic, but it has about the same amount of fructose as edibles sugar (sucrose). "We don't entirely cognizant of if there is some uniquely unhealthy aspect of high-fructose corn syrup".
One gizmo that is clear is that "almost all of us eat too much sugar, and if we can moderate that we will be healthier on a platoon of levels". Dr Louis Aronne, founder and headman of the Comprehensive Weight Control Program at New York-Presbyterian Hospital/Weill Cornell Medical Center in New York City, notorious that most sweeteners keep under control a mixture of glucose and fructose. For these reasons, "the upshot is not as dramatic as you might see in a shot like this".
Still, a growing body of evidence is pointing toward the hypothalamic intellect region as having a role in obesity. "Things as subtle as a mutate in sweetener can have an impact on how full somebody feels, and could surpass to an increase in calorie intake and an increasing pattern in obesity seen in this country".
So what to do? As a nutritionist, Sharon Zarabi, of Lenox Hill Hospital in New York City, tells her patients to comprehend bread labels pengaluku. "Avoid having fructose or glucose listed as one of as the in the first place three ingredients, and enact sure that sugar is less than 10 grams per serving".
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