期刊
MOLECULAR NUTRITION & FOOD RESEARCH
卷 65, 期 6, 页码 -出版社
WILEY
DOI: 10.1002/mnfr.202001133
关键词
fructooligosaccharides; fructose; galactose; gut integrity; inflammatory markers
资金
- Swedish Research Council [Dnr 2017-05840, Formas Dnr 2016-003114]
- Formas [2016-003114]
- Chalmers University of Technology Foundation - Ministry of Higher Education Malaysia
- Universiti Malaysia Pahang
- Chalmers University of Technology Foundation
- Ministry of Higher Education Malaysia
This study found that high-galactose diets had a more pronounced effect on metabolic factors and gut permeability in rats compared to high-fructose diets, with no significant impact on inflammation.
Scope A high fructose and galactose intake show adverse metabolic effects in animal models and in humans, but it is yet unknown if addition of fermentable dietary fiber can mitigate such effects. This study investigate the effects of high intakes of fructose and galactose, with/without added fructooligosaccharides (FOS), on metabolic factors, inflammation, and gut integrity markers in rats. Methods and Results Rats (n = 6/group) receive different carbohydrates at isocaloric conditions for 12 weeks as follows: 1) starch (control), 2) fructose, 3) galactose, 4) starch + FOS (FOS control), 5) fructose + FOS, and 6) galactose + FOS, together with a high amount of n-6 polyunsaturated fatty acids (n-6 PUFA) in all diets except for in 7) starch + olive oil (negative control). The rats fed the galactose and galactose + FOS diets exhibit lower body weight than other groups. High-galactose diets has more pronounced effects on metabolic factors and gut permeability than high-fructose diets. High-fructose diets show less pronounced effect on these selected markers. No differences in inflammatory markers are detected for any of the diets. Conclusions The results suggest potential adverse effects of high galactose and fructose on metabolic factors and gut integrity markers, but not on inflammation. However, several mechanisms are at play, and general net effects are difficult to determine conclusively for the conditions tested.
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