The Claim: Eating Parsley Can Eliminate Bad Breath

The Claim: Eating Parsley Can Eliminate Bad Breath

THE FACTS

People have long tried to freshen their breath with parsley. Its fresh, strong flavor would seem to make it a natural deodorizer. And its deep green color is a sign of ample chlorophyll, which is thought to have some antibacterial properties. (The sulfur compounds that give rise to bad breath are produced by various strains of bacteria that feast on food deposits and other debris in the back of the mouth.)

But researchers who have looked into this particular folk remedy have found little evidence that it works. Studies that have examined its effects in the mouth have found that while it may have some small initial effect on odor — mostly by masking it — it does little to reduce the concentration of volatile sulfur compounds.

One unlikely food that has been shown to reduce levels of sulfur compounds, however, is green tea, although the effect may be temporary, lasting no more than an hour or two.

Mouthwashes can be effective when they contain two ingredients in particular, zinc and chlorhexidine. But those that contain alcohol may make the problem worse by drying the mouth. Several studies have also identified a number of other factors that contribute to bad breath, including being overweight, drinking heavily and smoking.

THE BOTTOM LINE

There is little evidence that parsley can counteract bad breath.

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Source: New York Times - http://www.nytimes.com/2009/04/28/health/28real.html?ref=views

The Claim: Eating Parsley Can Eliminate Bad Breath

Copyright 2009