Fructose Metabolism and Relation to Atherosclerosis, Type 2 Diabetes, and Obesity

A high intake of sugars has been linked to diet-induced health problems. The fructose content in sugars consumed may also affect health, although the extent to which fructose has a particularly significant negative impact on health remains controversial. The aim of this narrative review is to descri...

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Main Authors: Astrid Kolderup, Birger Svihus
Format: Article
Language:English
Published: Wiley 2015-01-01
Series:Journal of Nutrition and Metabolism
Online Access:http://dx.doi.org/10.1155/2015/823081
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author Astrid Kolderup
Birger Svihus
author_facet Astrid Kolderup
Birger Svihus
author_sort Astrid Kolderup
collection DOAJ
description A high intake of sugars has been linked to diet-induced health problems. The fructose content in sugars consumed may also affect health, although the extent to which fructose has a particularly significant negative impact on health remains controversial. The aim of this narrative review is to describe the body’s fructose management and to discuss the role of fructose as a risk factor for atherosclerosis, type 2 diabetes, and obesity. Despite some positive effects of fructose, such as high relative sweetness, high thermogenic effect, and low glycaemic index, a high intake of fructose, particularly when combined with glucose, can, to a larger extent than a similar glucose intake, lead to metabolic changes in the liver. Increased de novo lipogenesis (DNL), and thus altered blood lipid profile, seems to be the most prominent change. More studies with realistic consumption levels of fructose are needed, but current literature does not indicate that a normal consumption of fructose (approximately 50–60 g/day) increases the risk of atherosclerosis, type 2 diabetes, or obesity more than consumption of other sugars. However, a high intake of fructose, particularly if combined with a high energy intake in the form of glucose/starch, may have negative health effects via DNL.
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spelling doaj-art-f56763af16c04c8ab2fd111ed99bb4172025-02-03T05:49:36ZengWileyJournal of Nutrition and Metabolism2090-07242090-07322015-01-01201510.1155/2015/823081823081Fructose Metabolism and Relation to Atherosclerosis, Type 2 Diabetes, and ObesityAstrid Kolderup0Birger Svihus1Faculty of Public Health, Hedmark University College, P.O. Box 400, 2418 Elverum, NorwayNorwegian University of Life Sciences, P.O. Box 5003, 1432 Aas, NorwayA high intake of sugars has been linked to diet-induced health problems. The fructose content in sugars consumed may also affect health, although the extent to which fructose has a particularly significant negative impact on health remains controversial. The aim of this narrative review is to describe the body’s fructose management and to discuss the role of fructose as a risk factor for atherosclerosis, type 2 diabetes, and obesity. Despite some positive effects of fructose, such as high relative sweetness, high thermogenic effect, and low glycaemic index, a high intake of fructose, particularly when combined with glucose, can, to a larger extent than a similar glucose intake, lead to metabolic changes in the liver. Increased de novo lipogenesis (DNL), and thus altered blood lipid profile, seems to be the most prominent change. More studies with realistic consumption levels of fructose are needed, but current literature does not indicate that a normal consumption of fructose (approximately 50–60 g/day) increases the risk of atherosclerosis, type 2 diabetes, or obesity more than consumption of other sugars. However, a high intake of fructose, particularly if combined with a high energy intake in the form of glucose/starch, may have negative health effects via DNL.http://dx.doi.org/10.1155/2015/823081
spellingShingle Astrid Kolderup
Birger Svihus
Fructose Metabolism and Relation to Atherosclerosis, Type 2 Diabetes, and Obesity
Journal of Nutrition and Metabolism
title Fructose Metabolism and Relation to Atherosclerosis, Type 2 Diabetes, and Obesity
title_full Fructose Metabolism and Relation to Atherosclerosis, Type 2 Diabetes, and Obesity
title_fullStr Fructose Metabolism and Relation to Atherosclerosis, Type 2 Diabetes, and Obesity
title_full_unstemmed Fructose Metabolism and Relation to Atherosclerosis, Type 2 Diabetes, and Obesity
title_short Fructose Metabolism and Relation to Atherosclerosis, Type 2 Diabetes, and Obesity
title_sort fructose metabolism and relation to atherosclerosis type 2 diabetes and obesity
url http://dx.doi.org/10.1155/2015/823081
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