MadSci Network: Biochemistry

Subject: Net water balance from cola -- diuretic efficiency

Date: Wed Jan 9 15:45:46 2002
Posted by Jason Goodman
Grade level: teacher/prof School: University of Chicago
City: Chicago State/Province: IL Country: USA
Area of science: Biochemistry
ID: 1010609146.Bc

Caffeine is a diuretic, but caffeinated drinks contain lots of water.  If you
drink a Coke, is the extra urine produced more or less than the water consumed?  

One ought to be able to describe the effect of a caffeinated drink as a
percentage of pure water.  For example, if drinking 500 ml of Coke caused 250 ml
of extra urination, it's the same as if you had drunk only 250 ml of water, so
we'd say Coke's "effective water factor" would be 50%.  If that amount of Coke
instead caused 1000 ml of urination, its "effective water factor" would be -100%.

What is the "effective water factor" of cola?  How about coffee?  How about
other diuretic drinks, such as beer, wine, and liquor?

Re: Net water balance from cola -- diuretic efficiency

Current Queue | Current Queue for Biochemistry | Biochemistry archives

Try the links in the MadSci Library for more information on Biochemistry.

MadSci Home | Information | Search | Random Knowledge Generator | MadSci Archives | Mad Library | MAD Labs | MAD FAQs | Ask a ? | Join Us! | Help Support MadSci

MadSci Network,
© 1995-2001. All rights reserved.