Ghrelin a marker for Respiratory Quotient

August 15th, 2007 | by David Spelts |

Respiratory Quotient is a calculation that determines which substrate (fat or carbohydrate) is currently being burned. It is a complex process that involves measuring oxygen inhaled and carbon dioxide exhaled and must be performed in a laboratory.

This study showed that plasma ghrelin (a hunger hormone) is a sensitive marker for RQ, and a heck of a lot easier to measure.

Abstract

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