HFCS

Luann

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How does the calorie gap between corn syrup and sugar make sense? HFCS has so many more.
 

yerrag

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Make sense in what way? Are you asking why HFCS has more calories than cane sugar? Btw, corn syrup is 100 percent glucose, HFCS has fructose content. One form of it has 55 percent fructose. Another form has 42 percent fructose. The remander being glucose.
 
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Luann

Luann

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Okay, so where do the high calories come from? Fruit and honey are largely fructose; maybe it's just less water in hfcs that gives it so much energy?
 

yerrag

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"Much of the current concern about the dangers of fructose is focussed on the cornstarch-derived high fructose corn syrup, HFCS. Many studies assume that its composition is nearly all fructose and glucose. However, Wahjudi, et al. (2010) analyzed samples of it before and after hydrolyzing it in acid, to break down other carbohydrates present in it. They found that the carbohydrate content was several times higher than the listed values. "The underestimation of carbohydrate content in beverages may be a contributing factor in the development of obesity in children," and it's especially interesting that so much of it is present in the form of starch-like materials. http://raypeat.com/articles/articles/sugar-issues.sht
 

What-a-Riot

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it should be noted that to a point carbs are carbs, so its not gonna be more that 4 calories / gram no matter what the makeup
 

yerrag

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If fructose is metabolized and used up, and glucose isn't metabolized but converted by insulin to fat, can you still say a gram of each has the same effect as the other? One gram of fructose turns into kinetic energy equivalent to 4 calories, but one gram of glucose becomes fat with a potential energy of 4 calories. If the energy output of oxidative metabolism using 1 gram of fructose is more efficient than that of the lipolysis of the fat that came off 1 gram of glucose, can you still say that "carbs are carbs?"
 

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