According to a new study in the Journal of Nutrition, fat-build up from fructose consumption may be greater than consumption of other types of sugars such as glucose and sucrose.
The study involved six young, lean participants who had to drink either:
A soft drink sweetened with 100% glucos
A soft drink sweetened with 50% glucose and 50% fructose
A soft drink sweetened with 25% glucose and 75% fructose
The tests were random and blinded.
The groups who drank the beverages containing fructose gained more fat at a quicker rate than the glucose group.
We have to remember that the participants in this study were young, healthy and lean.
Therefore it is fair to surmise that people who are less healthy, not as lean and maybe older maybe pre-disposed to even easier fat gain and other health related issues.
Lipogenesis (formation of fat in the body) increased as follows:
- 100% glucose, lipogenesis = 7.8%
- 50% glucose and 50% fructose, lipogenesis = 15.9%
- 25% glucose and 75% fructose, lipogenesis = 16.9%
Also the blood triglyceride levels (i.e. fat in the blood) were between 11% & 29% higher after the consumptions of the 50:50 and 25:75 beverages.
I hope people don’t assume that as a result of this study (and various other related studies) that the consumption of fructose in fruit would also have such an effect.
This study was using pure fructose that is isolated from the high fibre, vitamins and various other co-factors that are found in fruits. Do not misconceive what the study shows.
However, if you are someone who consumes soft drink full of fructose and various other sugars, then this study is a good indicator of what could happen to you.
Sources available upon request.
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