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Is there a difference between liquid calories and solid calories as far as absorption in the body is concerned?
For example, if you consume a glass of OJ worth 100 KCals or eat some dried fruit worth the same, does the body really absorb both in the same way?
Is is possible that the liquid goes through the body more quickly and therefore less calories (and nutrients) get absorbed?
[QUOTE=Kameldude]Is there a difference between liquid calories and solid calories as far as absorption in the body is concerned?
For example, if you consume a glass of OJ worth 100 KCals or eat some dried fruit worth the same, does the body really absorb both in the same way?
Is is possible that the liquid goes through the body more quickly and therefore less calories (and nutrients) get absorbed?[/QUOTE]
Liquid food is less thermic than solid food, i.e., your body burn fewer calories digesting food you drink than food you eat.
also in real fruit, theres fiber. id choose fruit over juice any day, but maybe thats just me.
Liquids are typically absorbed quicker than solids since the liquid doesn't need as much digestive action to become available to be absorbed. That's typically why you want to drink a post-workout meal instead of eating one since your body is ready to suck up nutrients for a certain amount of time - the window of opportunity - and liquids can make it in there quicker and easier than solid food does.
That said, there is research that points to liquids being superior to solid food PO and there is also contrary findings that indicate that it doesn't matter.